American Mineralogist, Volume 73, pages 189-199, 1988
NEW MINERAL NAMES*
Fn-lNx C. H,lwrHonNn Department of Earth Sciences,University of Manitoba, Winnipeg, Manitoba R3T 2N2, Canada EnNsr A. J. Bunxn Instituut voor Aardwetenschappen,Vrije Universiteite, De Boelelaan 1085, 1081 HV, Amsterdam, Netherlands T. Scorr Encrr Mineral SciencesDivision, National Museum of Natural Sciences,Ottawa, Ontario KIA 0M8, Canada Eowlnn S. Gnnw Department of GeologicalSciences, University of Maine, Orono, Maine 04469, U.S.A. Jorr, D. Gnrcp Mineral SciencesDivision, National Museum of Natural Sciences,Ottawa, Ontario KIA 0M8, Canada JonN L. Juvrson CANMET, 555 Booth Street,Ottawa, Ontario KIA 0G1, Canada Jlcnx Puzrnwtcz Institut ftiLrKristallographie und Petrographie, Universit?it Hannover, Hannover, Federal Republic of Germany ANonnw C. Rospnrs GeologicalSurvey ofCanada, 601 Booth Street,Ottawa, Ontario KIA 0E8, Canada Dllro A. V,lNxo Department of Geology, Georgia StateUniversity, Atlanta, Georgia 30303, U.S.A.
Alacranite* orescent,with imperfect cleavageon {100}. Indentation micro- hardnessis 69 kglmm'?(20-g load), and H : 1.5. In transmitted V.I. Popova, V.A. Popov, A. Clark, V.O. Polyakov, S.E. Bori- light the mineral is orange-yellow,biaxial positive, a: 2.39(l), sovskii ( I 986) Alacranite AsrSr-A new mineral. Zapiski Vses. : gray with Mineralog.Obshch., 115, 360-368 (in Russian). t 2.52(2), nonpleochroic. In reflected light, light rose-yellow internal reflection. Reflectance values (nm, Analysis by electron microprobe (average)gave As 67.35, S Ri, Ri) are 400,14.0,13.0;425,14.6,13.2; 450,14.8,13.3; 32.61, sum 99.96 wto/0,yielding the formula AsrrrSror,ideally 475,r 4.8,13.4; 500, 14.5, I 3.3; 525,14.3,r3.I ; 550,I 4.5,I 3.2; AsrSr. There is no visible reaction with HCI or HNOr. In 5M 575,r 4.7,r3.4; 600, 14.8, I 3.5; 625,14.9,13.6;650, I 5.0,I 3.7; KOH, the mineral turns brown; on heating it then disintegrates 675,1 5.0, I 3.8;700, I 5.I, I 3.90/0. into brown-gray flakes and prolonged boiling turns these flakes The name is for the earliest describedoccurrence. Type ma- dark brown. The melting temperaturein air is 350 + 5 .C. terial is at the Fersman Mineralogical Museum, Moscow, and X-ray studiesshow the mineral to be monoclinic, spacegroup the Il'menskii PreserveMuseum, Miass. D.A.V. P2/c,a: 9.89(2),b:9.73(2), c : 9.13(1)A, B : tOt.t+(Sf, Z: 2, D*rc: 3.43,D-, 3.43 + 0.03.The strongestlines (29 ": given) are 5.91(90Xlll), 5.11(80X1ll), 4.05(70Xll2), Althupite* 3.2e1(s0x022). 3.064(r 00x3 l 0), 2.9 50(90)(222). (1987) and aluminum phosphates The mineral occurs with realgar and usonite as flattened and P. Piret, M. Deliens Uranyl from Kobokobo. Althupite, AlTh(uoJlGJo,)3o(oHXPo.)J'- prismatic grainsup to 0.5 mm across,serving as cementin sandy (OH)r. l5HrO, a new mineral. Propertiesand crystal structure. gravel in the Uson caldera, Kamchatka. An earlier-described Bull. Min6ral., ll0, 65-72 (in French). occurrenceof the mineral, although it is not as well character- ized, is in the Alacran deposit, Pampa Larga, Chile. There, the The averageof l0 electron microprobe analysesgave AlrOt mineral is associatedwith realgar, orpiment, native As and S, 1.75,ThO, 10.25,UO3 68.22,P'Os 9.86, and HrO (ditrerence) stibnite, pyrite, greigite,arsenopyrite, arsenolamprite, sphalerite, 9.92 wto/o,which compareswell with the calculatedvalues of the and acanthite,within barite-quartz-calciteveins. Crystalsofala- structural formula given above. cranite have pinacoidal prismatic habit, somewhat flattened on X-ray powder-diffraction studies and the structure determi- [100].Major formsare {100},{l l1}, and {l1l}; minor or weak nation on a single crystal show the mineral is triclinic, space parallel forms are {l 10}, {011}, {41l}. Striations to [001] occur sroup PI, a : 10.935(3),b : 18.567(4),c: 13.504(3)A, a : on {100} faces. The remaining faces appear dull or tarnished. 72.64(2),0 : 68.20(2\,t : 84.2r(2), V : 2434(I) A', z : 2. Luster is adamantine,greasy, streak is orange-yellow,fracture is The strongestX-ray diftaction lines (39 given) are I 0. 2( I 00)( I 00), conchoidal and very brittle. The mineral is transparent,nonflu- 6.67(40)(r 20), 5.80(5 0X t 2 I ), 5.08(70X200), 4.9| (40)(22t), 4.4r(so)(22r,123),4.07 (40)(140), 3.395(40X300), 3.07 l(40X06 l), * Minerals marked with an asteriskwere approved before pub- 3.000(408), (342,30 l), 2.8 96(50X044, 324). The refined crystal lication by the Commission on New Minerals and Mineral Names structure (R : 0.082 for 4220 reflections) consists of of the International Mineralogical Association. (UOr)3O(OHXPO)J;'- layersthat characterizethe phosphuran- 0003-004x/88/0I 02-0 I 89$02.00 189 190 NEW MINERAL NAMES
ylite structure group. Layers are connectedby two joined octa- of iron and chromium - Chromferideand ferchromide.Zapiski hedra around Al, one tri-capped trigonal prism around Th, and Vses.Mineralog. Obshch., 115, 355-360 (in Russian). one pentagonalbipyramid around U. Analysisby electronmicroprobe gave Fe 88.91(88.71-89. 12), Althupite occursas thin, transparentyellow tablets,with max- Cr 11.30(11.06-11.55), Si not observed,sum 100.21(100.18- imum length 0. I mm along {00 I } and flattenedon ( I 00). D^*" = 100.26)wt0/0, yielding a suggestedformula of Fe'rCrorlor, or 3.9(1) and D".k : 3.98 g,/cm3.Optically it is biaxial negative;o Fe, rCror-", where E representsvacancy. : r.620(3),P : r.66r(2),t : r.665(2),2v^" 3t(3)',2v"il.: ": X-ray study shows the mineral to be isometric, spacegroup 34'; pleochroism, X pale yellow, Y and Z darker yellow; disper- Pm3m, a : 2.859(5)A, Z: t, D",": 6.69.The lines(7 given) sion, strongr < v, X = [l00], Z A c = 15. are2.87 (20)Q00), 2.02( I 00XI i 0), 1.656( 1 0X I 1I ), 1.43(80X200), The mineral occurs in a pegmatite with beryl and columbite 1.28(50X120),l. l6(100x21 1), r.0l(70x220). at Kobokobo, Kiku, Zaire. The name alludes to the chemistry. The mineral occurs as small grains (of submicrometer size; Type material is depositedin the Mus6eroyal de I'Afrique central, aggregatesto hundreds of micrometers) in quartz veins within in Tervuren, Belgium. J.D.G. brecciatedamphibolite and schist of the southern Urals. Asso- ciated minerals include native iron, copper, bismuth and gold, Bobfergusonite* ferchromide, graphite, metal carbide (cohenite), halite, sylvite, T.S. Ercit, A.J. Anderson, P. Cern!, F.C. Hawthorne (1986) and Cl-rich scapolite (marialite). Chromferide is opaque, light Bobfergusonite:A new primary phosphatemineral from Cross gray, ferromagnetic,with metallic luster and no cleavage.Mi- Lake, Manitoba. Can. Mineral.,24, 599404. crohardness(100-9 load) is 260 + l0 kglmm'?,with weakly con- cave indentation shape. Reflectancevalues in air are (nm,o/o): -ec Microprobe, Mossbauer spectroscopy,and rcn analysesgave 440,50.4;460,5r.4; 480,50.9; 500,52.6; 520,53.0; 540,55.3; Na,O 6.8, MgO 0.3, CaO 1.2,MnO 31.7,FeO 0.3, ZnO O.l, 560,56.5; 580,56.9; 600,57.9; 620,58.3; 640,59.0; 660,60.0; Alro3 7.5, FerO, 6.9, P,O,45.2, HrO 0.3, total 100.3wt0/0. The 680,60.7;700,60.8; 7 20,61.7 ;'7 40,61.9. semiempirical formula, (Na, orMnorrCa" roE, ro)-(Mn, u, Al, rr- The name is for the chemical composition. Type material is Feoff,MgoorFefir'zlnoo,)*Prr,(O236eOH03,)r2o @asis 24 (O + OH), at the FersmanMineralogical Museum, Akademiya Nauk SSSR, consideredwith crystal-structuredata, gives the ideal formula Moscow.D.A.V. NarMnrFe*3Al(POn)uand Z : 4. Chemically distinct from mem- bers ofthe wyllieite and alluaudite groups. Ellenbergerite* Bobfergusoniteis monoclinic, spacegroup P2r/n, with a : 12.773(2),b: 12.486(2),c: 11.038(2)A, B:97.15". The C. Chopin, R. Klaska, O. Medenbach, D. Dron (1986) Ellen- strongest lines of the X-ray powder pattern (53 given) are bergerite, a new high-pressureMg-Al-(Ti,Zr)-silicate with a 3.054(r 00x4r l ), 2.869(66X 4 | r), 2.712(49)(042), 2. 508(5 3) novel structurebased on face-sharingoctahedra. Contrib. Min- (432,024,4r3),2.082(67)(610,060), and 1.575(43X046,802).The eral. Petrol..92. 316-321. mineral is structurally relatedto both the wyllieite and alluaudite The phengitequartzite layer of the Dora Maira crystallinemas- group of minerals, and all three have very similar powder pat- sif, western Alps, locally contains near-end-member pyrope terns. The structural types can be readily distinguished on the megacrysts,some of which exceed20 cm in diameter. The garnet basis of precessionsingle-crystal (10/)* photographs. contains numerous mineral inclusions, among which ellenber- The mineral occursas abundant anhedral equant crystalsthat gerite makes up to a few modal percent of the megacrysts.El- rangein size from lessthan I mm to 1 cm long. Bobfergusonite lenbergeriteis typically millimeter-sized, anhedral, rarely as prisms is variable in color, ranging from green-brownto red-brown, is up to 10 mm long with a hexagonalcross section. Transparent, nonfluorescent,has a yellow-brown streak and a hardnessof 4, purple to lilac color with a few grains showing a pink or smoky is brittle, shows perfect {010} cleavage,and has a prominent core; vitreous luster, H : 6.5, fracture easy and brittle; D-*, : I I 00] parting. The luster is resinousexcept on the parting surface, 3. I 5 for most grains, tp to 3.22 g/cm3 for a few; D-" : 3. 10 for which shows a characteristicbronzy luster. D-*" (Berman bal- a Ti-rich composition, 3.17 g/cm3 for a Zr-ich one (Z : 1). ance) : 3.54(1).D*t": 3.57. Optically biaxial positive; a : Nonfluorescent in ultraviolet light, faint bluish cathodolumi- 1.694(r),B : 1.698(1),1 : L7 r 5(2),2v^.". : 46.4(2f, 2V^" : nescenceunder the electron beam. 52'. The optical orientationis I ll D and a A X: +10'in the Electron-microprobeanalyses (1 3 given)range from SiO, 32.51- B angle. Pleochroism is moderate with X: I: yellow-orange, 38,61, P,Os 0.00-8.27, Al,O3 20.41-24.91,TiO'0.52-4.10,Z;fr2 Z : oftnge. The mineral is transparent in thin fragments.The 0.0G-3.10,MgO 21.80-25.80,FeO 0.15-{.43 wt0/o;a coulometric absorptionisZ > X = Y. determination on a 6-mg sample gave 8.0 wto/oHrO. The ana- The mineral was found in nodules in the intermediate zones lytical results and a crystal-structuredetermination (R = 3.40lQ of an unnamed pegmatiteat Cross Lake, Manitoba, Canada(lat indicate an ideal formula (Mg,,Tin,, nu,),Mg6Al6SiO*(OH)'o 54'41'N, long 97'41'W). Associatedphosphate minerals are beu- for the P-free end member. P incorporation is related mainly to site, fillowite, triplite, apatite, an unknown Mn phosphate,and SiAl = PMg substitution. minor alluaudite. Ellenbergeriteis uniaxial negative; vividly pleochroic with to The name honors Robert Bury Ferguson,Professor Emeritus, colorless,e colorlessto deep lilac with color zoning. At 589 nm, University of Manitoba. Holotype material (grams)is preserved co: 1.6789(5)to 1.6553(5),e: 1.6697(10)to1.6538(10); highest in the collections of the Mineralogical Museum, University of <^rvalues are for samplesrich in Ti, and the color zoning is related Manitoba, Winnipeg, Manitoba, Canada(M6083), and the Royal to nearly completeTi-for-Zr substitution; variations in r are more Ontario Museum, Toronto, Ontario, Canada (M42687). A.C.R. dependent on the P content. The mineral is hexagonal, a : 12.255(8),c : 4.932(4)A, spacegloup P6r; strongestlines ofthe Chromferide* X-ray powder pattern (114.6-mm camera, Cu radiation) are M.I. Novgorodova, A.I. Gorshkov, N.V. Trubkin, A.I. Tsepin, 3.6 l (50X20r ), 3.5 4(7 5X300), 3.06(5s)(220), 2.6s 3(70)(400), M.T. Dmitrieva (1986) New natural intermetallic compounds 2.r86(5sX32 1). NEW MINERALNAMES 191
The mineral occurs at Parigi, near Martiniana Po, Italy, in a The mineral is black, opaque, metallic to submetallic luster, phengite-pynopequartzite outcrop containing coesite.Associated black streak.In transmitted light, strongJyanisotropic, no internal inclusions in the pyrope porphyroblastsare kyanite, talc, clino- reflection. Low reflectivity in reflectedlight, strongly bireflectant chlore,rutile, zircon, and a sodicamphibole closeto glaucophane. from gray to olive-gray, and strongly anisotropic from light The structure of ellenbergeritehas face-sharingoctahedra, re- brownish gray to dark greenishgray. Reflectancevalues' in air, sulting in a densestructure. The new name is for Prof. Frangois arc 16.0-23.6(480), 15.3-22.9(546), 14.7-22.2 (589), 14.3-22.r : Ellenberger,Paris, in recognition of his geologicalwork in the (657 nm). Perfect {0001} cleavage,even fracture, VHN,6 western Alps. The type material is at the Ecole Nationale des 600(32),Mohs' H : 4.5, D^*: 5.96,Da": 6.02g/cm3. Ka- Mines, Paris;cotype specimens are at the Galerie de Min6ralogie, miokite rangesup to 3 mm in diameter, as granular to thick' Universitd P. et M. Curie, Paris, and at the Institut fiir Mine- tabular hexagonalcrystals. ralogie, Ruhr-Universitlit, Bochum, Federal Republic of Ger- The type locality is the Kamioka silverJead-zinc mine, Gifu many. Prefecture,Japan, after which the mineral is named. The host Discussion.The name ellenbergeriteis intended by the authors depositsare stockworks of molybdenite-bearingquartz veinlets to apply to both the titanian and zirconian varieties ofthe min- in granitic dikes and in migmatitic massesof dioritic composi- eral. Also found, late in the study, is a P-rich variety with 16 tion. Associatedminerals arc qtartz, molybdenite, K-feldspar' wto/oPrOr, spacegroup P6rmc, whose status remains to be clar- fluorite. ilmenite. and scheelite.The intimate presenceof mo- ified. J.L.J. lybdenite, which commonly replaceskamiokite along edgesand cleavageplanes, implies that kamiokite is stableonly at very low f,, fugacities.The mineral is also found at the Mohawk and Ah- Ferchromidet meek mines, Michigan. Type material is at the Museum of the Geological Survey of M.I. Novgorodova, A.I. Gorshkov, N.V. Trubkin, A.I. Tsepin, Japan,Tsukuba, the National ScienceMuseum, Tokyo, and the M.T. Dmitrieva (1986) New natural intermetallic compounds Sakurai Museum, Tokyo, Japan.T.S.E. of iron and chromium - Chromferideand ferchromide.Zapiski Vses.Mineralog. Obshch., I15, 355-360(in Russian).
Analysis by electronmicroprobe gaveFe 12.60(12'55-12'65), Ikmotoite-(Y)+ (87.53-87.63),Si 0.0, sum 100.18wto/o, yielding a sug' Cr 87.58 M. Deliens, P. Piret (1986) Kamotoite-fl| a new uranyl and rale represents gestedformula ofCr, ,Feorflo r, orCr, ,Feor-,, whereE earth carbonate from Kamoto, Shaba, Zaire. Bull. Min6ral'' vacancy. lO9, 643-647 (in French). X-ray study shows the mineral to be isometric, spacegroup Pm3m,a: 2.882(5)A,z: t, D""r": 6.18.The lines(8 given) The averageof 19 electron-microprobe analyseson several are2.88(10)(100), 2.04(l00Xl 10), 1.66(50X1 1l), 1.44(60X200), crystalsgave UO3 63.39,YrO3 6.19,Nd,O3 2.36, SmrOt 1.91' .24,HrO 1.2e(s0x 1 20), 1.1 7(90X2 I I ), r.02(10)(220), 0. 77(80X32 I ). Gd,O, 2.10and DyrO, 1.64,CO, (by chromatography)'1 o/oCOu) The mineral occursas small grains (of submicrometer size to (loss at 800'C minus 14.30, sum 99.13 wt0/0,which aggregateshundreds of micrometers)in quartz veins within brec- on the basisof 21 oxygenatoms correspondsto 4.07UOr'0.92 ciated amphibolite and schist of the southern Urals. Associated (Y,Nd,Gd,Sm,Dy)rOr'3.02CO,'14.5H'O, or ideallv 4UO'' minerals include native iron, copper,bismuth, and gold, chrom- (Y,Nd,Gd,Sm,Dy)'O' 3COz 14.5H,O. feride, graphite, metal carbide (cohenite),halite, sylvite, and Cl- Single-crystaland X-ray powder-diffraction studies show the : -- rich scapolite(marialite). Ferchromide is opaque,light gray, fer- mineral to be monoclinic, spacegroup P2,/n, a 21.22(l), b : romagnetic,with metallic luster and no cleavage.Microhardness t2.93(I), c : 12.39(l)A, B tI5.3(lF, Z: 4.The stronsestX- (100-9 load) is 900 + 20 kg/mm2, with weakly concave inden- ray difraction lines(39 given)are 8.49(80X01 1)' 6.48(100X020), tation shape. Reflectancevalues in air are (nm,o/o):440,55.2; 3.93 (3 5)(2 | 3,213), 3.4 9 (40)( 222,22:3), 3. 0 54(60X402,404)' 460,55.4;480,56.2; 500,56.9; 520,58.0; 540,58.8; 560,59.5; 2.7 62@0)t@22,424),2. | 32(40X8I l, 8 I 5), r.7 49(40)(6 1 4,6 | 1). 580,60.4;600,61.0; 620,61.0; 640,61.8; 680,62.8; 700,63'2; The mineral occurs as crusts of elongate (to 5 mm)' bright '120,63.8; 740,63.8. yellowblades on uraninite.Good cleavageson {001} and {I01}, The name is for the chemical composition. Type material is D-""" : 3.93 and D*'" : 3.94 E/cm3. Optically it is biaxial negative : : : g7'. at the FersmanMineralogical Museum, Akademiya Nauk SSSR, with a : r.604(2), P r.661(2),t r.73r(3), 2V*. Moscow.D.A.V. pleochroism, X colorless, Y pale yellow-green,Z bright yellow; absorption Z > Y > X, X : b, Y n c : 25', Z : a. The mineral was found in the copper-cobalt deposit of Ka- Kamiokite+ moto, southern Shaba,Zaire; hence its name. Type material is depositedin the Mus6e royal de I'Afrique central, in Tervuren, A. Sasaki,S. Yui, M. Yamaguchi (1985) Kamiokite, Fe'MorOr, a new mineral. Mineral. Jour. (Japan), 12,393-399. Belgium.J.D.G. The average of three electron microprobe analyses using FeMoOo and MnO as standardsgave FeO 27.04, MnO 0.41, Keiviite-(Y)* MoOr7 | .24, sum 98.69wt0/0, resulting in (Fez grOe o,Mfuor)"2 *I\4oz A.V. Voloshin, Ya.A. Pakhomovsky,F.N. Tyusheva(1985) Kei- : precessionX-ray studiesshow on a basis ofO 8. Powder and viite-(Y)-A new yttrian diorthosilicate, and thalenite from the mineralto be hexagonal,a:5.'182(2),c: 10.053(3)A, space amazonite pegmatites of the Kola Peninsula. Diortho- and group P6rmc, Z : 2. The strongestdiffraction-maxima in the triorthosilicates of yttrium. Mineralog. Zhurnal, 7 (6),79-94 powder pattern (20 given) are 5.03(100X00.2),3.55(90X10.2), (in Russian). 2.509(75X00.4,r1.2,20.0), 2.430(55X20. l), 2.006(40X20.3)(dif- fractometerdata) using FeKa radiation and quartz as an intemal Four microprobe analysesofcrystals on keiviite-(Yb) and those standard. filling fissuresin quartz and fluorite gave,respectively, YrO3 40'86, t92 NEW MINERAL NAMES
45.86,YbrO3 15.36, 11.81, Er.O, 6.50,4.40, LurO,2.6l, 1.05, Kuzminitet Tm,O, 1.99,1.11, Dy.O, 1.53,2.92,Ho,O, 0.85,1.27,Tb2O1 V.I. Vasilev, Yu.G. Lavrentev, N.A. Palchik (1986) Kuzminite 0.10,0.00,Gd,O3 0.08, 0.62,CaO 0.00,0.30, SiO,30.85, 30.49, Hgr(Br,Cl)r-A new natural mercury halide. Zapiski Vses.Mi- total 100.73,99.83 wt0/0, corresponding to (Y,YbLSLO,.The X- neralog.Obshch., 1 15, 595-598 (in Russian). ray powder pattern ofthe mineral is identical with that ofkeiviite- (Yb), so monoclinic symmetry and spacegroup C2/m-Cl,were Microprobe analyses(average of four) gaveH977.00, Br 16.60, assumedby analogy.Unit-cell data:a :6.845(5), b : 8.960(5), Cl 5.66,total99.26 wt0/0,corresponding to Hgrou(Br,rrClorr)r"o. c : a.BaQ) A, B : tOt.OS(5)',2:2. The srrongestX-ray lines The similarity of the X-ray powder pattern of kuzminite to those (65 grven) are 4.65(90)(001),3.23(100)(021), 3.04(80X201), of calomel and synthetic HgrBr, indicates tetragonal symmetry, 2.280(70)(112,131).Three weak lines have ftkl valuesthat do not spacegroup /4 /mmm, a: 4.597(5),c: 11.034(8)A. The stron- correspondto the assumedspace group. gestX-ray lines(17 given)are 4.26(50-60X101), 3.25(100X1 l0), The mineral is colorlessto white. Streak white, luster glassy. 2.76(40)(004),2.103(50Xll4). The mineralis similarto calomel: No fluorescence;yellow-green cathodoluminescence. H : 4 to 5, colorless,bluish gray or dull white, sometimeswith weak brown VHro : 1400, VH4o: 1200 kg/mm,. No cleavage,uneven frac- tint. Powder aggregatesare yellowish or creamy white. Good ture.D."," : 4.45,D.a": 4.48.Biaxial negative, 2V^" 56(2), {100} cleavage;uneven fracture. H = 2; microhardness (20-g ": 2V*":55o, a: 1.713(1),P:1.748(r),7: 1.758(1X589nm). load) 25 kg/mm2 (averageof I 5 ranging from 2I to 29 kg/mm'z). X n c : 4, Y /\ a : 7",Z : b, r < v. Density was not measured.Soluble in warm HCl, readily soluble Keiviite-(Y) forms prismatic crystals,0.05 to I mm long and in aqua regia,darkens in KOH. In transmitted light the mineral lessthan 0.15 mm thick, situated on keiviite-(Yb) or in fissures is indistinguishablefrom calomel: transparent,anisotropic, uni- in quartz and fluorite, associatedwith thalenite, xenotime, bast- axial positive, refractive index >2.00, strong double refraction, niisite and kuliokite-(Y). The mineral was found in amazonite slight pleochroism from light yellow to very pale brown. In re- pegmatitesof the KoIa Peninsula(USSR). The name is derived flected light, strong bireflectance:R, ffa!, Rz grayish white. R, from keiviite-(Yb). Type material is at the A. E. Fersman Min- lower than Rr, similar to those of eglestonite.Yellowish gray, eralogicalMuseum, Akademiya Nauk SSSR(Moscow). J.P. grayish brown, and bluish gray anisotropic effects.Internal re- flection colorlessor weak yellow. The mineral occursin the Kadyrel mercury ore deposit(TUVA ASSR, southern Siberia).It forms 0.3-0.5 mm irregular to elon- Kuliokite-(Y)* gate grains;aggregates up to 2.0 mm and powdery massesoccur in calcite veins and are associatedwith eglestonite,lavrentevite, A.V. Voloshin, Ya.A. Pakhomovsky, F.N. Tyusheva,Ye.V. So- native Hg, corderoite, cinnabar, and iron hydroxides. kolova, Yu.K. Egorov-Tismenko( 1984)Kuliokite-(Y)-A new calomel, yttrium-aluminium fluoride-silicate from amazonite pegma- The name is for Russian mineralogist A. M. Kuzmin. Type tites of the Kola Peninsula. Mineralog. Zhvrral, 8(2), 94-99 material is at the Central Siberian GeologicalMuseum (Institute (in Russian). of Geologyand Geophysicsof Siberian Division of Soviet Acad- emy of Sciences,Novosibirsk, USSR). J.P. Chemical composition of the mineral is variable (five micro- probe analysesare given); results for crystals filling fissuresin pegmatitesand for inclusions in fluorite are, respectively,YrO, Luanheite* 3L01,57.95,Yb,O3 21.06, l.77,ErrO,8.16, 1.40, DyrO, 4.18, ShaoDianxin, ZhouJianxiong, ZhangJianhong,Bao Daxi (1984) 0.83,Lu,O, 2.28,0.33,cd,O3 0.30,0.19, TmrO, 1.90,0.24, Luanheite-A new mineral. Acta Mineral. Sinica, 4, 97-l0l = Ho,O, 1.23,0.29, A12O36.51,7.69,SiO, 14.56,18.86, O F: (in Chinese,English abstract). 4.88,5.37,HrO (bydifference)2.10, 3.06 wt0/0, correspondingto (Y, REE)4A(SiO4)r(OH),F5.Some of the crystalsare zoned,with Electron-microprobeanalyses of five compositionally homo- Y content increasingoutward. Individual crystals are up to 0.5 geneousgrains gave an averageand (range)of Hg 37.9 (35.55- mm in maximum dimension. 39.72),A962.4 (59.47-63.84),Fe 0.00(0.0G{.02), Co 0.05(0.02- Single-crystalX-ray study showed the mineral to be triclinic, 0.07),Ni 0.00 (0.00-0.01),Cu 0.01 (0.00-0.02),Te 0.10 (0.06- spacegroup Pl-Cl, a: 8.606(6),b : 8.672(8),c : 4.317Q)A, 0.15),sum 100.46(99.01-100.26) wt0/0. The empiricalformula a: 102.79(6),P :97.94(5),1 : 116.66(6)',2: L.Thestrongest varies from AgrorHgo' to AgrruHg,on, ideally AgrHg. The min- X-ray lines (80 given)are 3.710(90)(200),3.490(90X111), eral occurs as irregular spherical aggregates,0.l to 0.6 mm in 2.793(100, broad)(3I 0,2I 0), 2.459(80,broad)(300), 1.702(80) diameter, each having an uneven surfaceand a thin, black oxi- (141).The n spectrumhas absorbance maximaat3445 and3420 dized coating. The spheresconsist ofgranular to tabular grains, cm-' relatedto OH groups.The mineral is colorless,transparent. up to l0 pm long, with a metallic luster, black streak, and H : Streak white. No fluorescence;yellow-green cathodolumines- -2.5 (VHN a4-75); D^.,": 12.5g/cm3; malleable. In reflected cence.Weak {0I0} cleavage,H:4-5.D^. D*t":4.26. light, milky white with slight reflectionpleochroism from pinkish ":4.3(5), Macroscopically identical with thalenite. Biaxial negative with parallel to the elongationto milky white normal to it; anisotrop- 2V^,: l9(l),2V*t":29o,r > v,a:1.656(l), B: 1.700(1),ism very weak. Maximum and minimum reflectancevalues ob- r: 1.703(1)(589nm), X n a : 7",Y A b : 28,2: c. tained from three grainsmeasured at two wavelengthsin air (WC Kuliokite-QQ occursin amazonite pegmatitesas inclusions in standard)are 546, 64.2-70.5; 589,64.9-7 4. violet fluorite or asplaty crystalsin fissuresin fluorite and quartz. The strongestlines ofthe X-ray powder pattern (Fe radiation, Associatedminerals are thalenite, xenotime, kainosite, and bast- 57.3mm camera)are 2.830(70, 1 1 2), 2.000(60X212), 1.495(100) niisite. The name is for the Kuliok River, Kola Peninsula.Type (223),r.20 4(9 0)(307), r. | 34(7 0X50 r ), I . I 05 (60X3 30), I .0 I 0(60) material is at the A. E. Fersman Mineralogical Museum, Aka- (512). Cell dimensions calculatedfrom the powder pattern are demiya Nauk SSSR(Moscow), and at the Mining Museum of hexagonal,a : 6.61,c : 10.98A;Z : 6. the Leningrad Mining Institute (Leningrad).J.P. Luanheite occurs in a gold placer in Hebei Province, China, NEW MINERALNAMES r93 and was named after its locality, a river. Associatedminerals are 5.436(30),3.676(50),3.1 l8(40), 1.820(50), 1.552(40) A. Because native gold, lead,zinc, and mercurian silver. Luanheite has been of problems of low symmetry (not higher than monoclinic), the found intergrown with mercurian silver and with silicates.Type results could not be indexed with the Ito method. The pattern material is preservedat the National Geological Museum, the deterioratesinto a confusingblur ofvery faint lines at low values. ChineseAcademy of Geological Sciences,Beijing, China. J.L.J. Ifthe mineral is ground prior to study, additional lines appear in the pattern. Mendozavilite is not a molybdate, but is a com- pound of a heteropolyacidP-Mo radical. Mannarditet The mineral occurs in the bright yellow oxide zone of the Cumobabi molybdenum pegmatite deposit southwest of Cum- Scott, G.R. Peatfield (1986) Mannardite J.D. [Ba' pas, Sonora,Mexico. The mineral occurs chiefly on quartz and HrOXTi6Vl+)O16,4 n€w species,and new data on redledgeite. with a great number of secondary nrolybdenum Can. Mineral.. 24. 55-66. is associated minerals, among them paramendozavilite. The mineral forms Electron-microprobeanalysis using BaSOo (Ba), V,O5 (V), TiO, abundant massesin this zone. Crystals average 20 pm and are (Ti), chromite (Cr,Fe?)of l5 spotson 5 grains (and srr"rsanalysis well formed. for HrO) gives an averageanalysis of BaO 19.5,TiO, 59.0, VrO3 Mendozavilite is Empire yellow, inclining to orange(RHS I 1A : 15.4,Cr,O, 2.6,Fe,Or 0.7, HrO 2.1, sum 99.3 wto/a,which on to 14A), with a bright yellow streakand vitreous luster. H 1.5, : an anhydrous basis of 16 O results in [BA'or (H'O)or']- D-""" 3.85. No fluorescence.The mineral is readily soluble in (HCl, in dilute form at (Ti, rrVl juCrorrFe3Sr)O,u. all common acids HNO3, HrSOo),even Powder and precessionX-ray studies show the mineral to be room temperature.Its optical propertiesare biaxial positive with : : : tetragonal,space group 14 ,/a, a: 14.356@),c: 5.9ll!) L,Z: a 1.762,A |.763,1 1.766and 2E^,", = 5-15'; extremely 4. The strongestdiffraction-maxima in the powder pattern (30 strong dispersion/ > v, pleochroic in pale yellow with Z > Y > given) are 3.20 I ( I 00X42 0), 2.473(7 o)(3 | 2), 2.224(50)(332), X In thin section,mendozavilite resemblesbeudantite. The op- 1.887(70X352),1.690(50X660), 1.586(80X732) using Fe-filtered tics indicatelow symmetry. CoKa radiation. The name is derived from the PhelpsDodge geologist H. Men- Mannardite's properties are similar to ilmenite's: jet-black, doza Avila who found the first specimen.Type material is at the adamantine luster, white streak. In reflectedlight, opaque with British Museum of Natural History in London. E.A.J.B. no observableinternal reflection; pale reddish brown with light to dark brown bireflectance,strongly anisotropic from light pink- ish gray (RJ to dark brownish gray (R"). Selectedaverage reflec- Moydite* tance values are air (R.,R"), oil (R.,RJ]: 470(15.6,16.8) [nm, J.D. Grice, J. vanVelthuizen, P.J. Dunn, D.E. Newbury, E'S. Etz, (l (4. (4.2,5.0),550(l 5. l, l 7.4)(4.0,5.6), 5e0 5.I, I 8.0) 1,6.0),650 c.H. Nielsen (1986) Moydite (Y,REE)[B (OH)"](CO,), a new (15.2,18.5)(4.1,6.3)(given every l0 nm). Indices of refraction mineral speciesfrom the Evans-Lou pegmatite,Quebec. Can. calculatedfrom the reflectancedata area: 2.26(l), e: 2.42(l). Mineral.. 24.665-673. Mannardite crystalsare up to 5 mm in length,are elongateand striated parallel to c, and show prominent {100} cleavageand Averagedmicroprobe analysisgave YrO. 35.0,CaO 0.5, CerO, unevento subconchoidalfracture. H: 7, D^*": 4.12, Da,: 0.8, NdrO31.3, Sm'O, 1.2,GdrO3 3.4,Dy,O' 3.8,HorO, 1.9, 4.28 g1cm3. B2O3 14.4, COz 17.7, HrO 20.0 (by difference), sum 100.0 Mannardite is associatedwith qvafiz, barytocalcite,norsethite, wto/0,corresponding to (Yoro Cao orCeo o, Ndo or Smo o, Gdo ooDyo oo- : barite, and sulvanite in quartz-carbonateveins that cut a De- Hooor)"03r[BoroO4Hoes](CoEoOr)on the basis of O 7 or, ideally' vonian shaleand siltstone sequenceon the Rough Claims, north (Y,REE) [B(OH)"XCO3)and Z: 8. This theoretical formula is of Sifton Pass,northern British Columbia, Canada.Mannardite the result of the integration of electron-microprobe,crystal-struc- also has been found at the Brunswick no. 12 orebody, Bathurst, ture, secondary-ionmass spectrometry,and Raman microprobe New Brunswick, Canada. analyses. Mannardite is related to redledgeite,both of which are mem- X-ray single-crystalprecession study showsthat the mineral is : bers of the cryptomelanegroup. It is named for the late Dr. G. orthorhombic,space group Pbcawith a 9.080(9),b: 12.222 W. Mannard, presidentof Kidd Creek Mines Ltd. Type material (9),c: 8.91l(6;A. A.*" (treavyliquids): 3.13(3),D*k: 3.01(8). is at the Royal Ontario Museum, Toronto, Cartada,and at the The strongestX-ray powder lines (30 given) are 6.1 1(10X020), British Museum (Natural History). T.S.E. 4.5 0(9)(002,200), 3. | 79 (7 )(202), 3.0 54 ( 3X04 0), 2.8| 8(s)(222), 2.74e (3)(3 1 t, | 4 r, | | 3), 2.5 2 5 (4)(O 42,2 40), 2.203(3)(242), 2.09r(3)(34r,3r3,r 52,r43), and 1.855(3X062,260). Mendozavilite* Moydite occursas a rare secondarymineral in cavities within
S.A.williams(re86)Mendozav'iteandparam"ndo,TlLry;l::[1'il;'J,'ilX,1lliJ,?llli"il'#i,li;13'"3ftitff"Ij:x3:*-'. '--, "- - - new minerals from Cumobabi, Sonora.Boletin de Mmeralogia . sociated minerals are henandite, kainosite, lokkaite, xenotime, (Soc. Mexicana Mineral.), 2, r3_rg. and fergusonite.The mineral occurs as platy aggxegates,often Wet-chemical analysesof 1407pg (for Fe, P, Ca, Al, Na, Mg, with subparallelgrowth. Individual crystalsare clear yellow with x Mo, Cl) and again of 3097 pg (for Fe and P) gave FerO. 14.31, vitreous luster and have dimensions up to I x I 0'05 mm Al2OjO.'16, CiO Z.CA,NarO 1.25,MgO 0.35,P,O, 6.78, MoO, thick; dominant forms are {010} and { I 1l }, with minor devel- 5O-.4i,ClO.26,HZO21.62, less O = Cl 0.06, sum 98.22w{/0, opment of {100} and {001}. Moydite is soft, brittle, exhibits poor corresponding to a proposed idealized formula Na(Ca,Mg)r- conchoidal fracture, has a good cleavageon {010} and a nonfluorescent,and is not readily soluble -peupb.;rpnto,,OrnioH,Cl)rol.33Hro. cleavageon {101}, is ifr. rtritrg"rrX-iay diffraction lines (19 listed) obtained with in 300/oHCl. Opticallybiaxial negative,a: 1.588(2),B: 1.681(l), a lt4-mm Gandolficamera are 11.56(30),9.46(80), 8.77(100), ,y: 1.690(1),2V^"".:32(3)" and 2V.^":34'. The opticalori- 194 NEW MINERAL NAMES
entation is X ll b, Y ll a, and,Z ll c. The mineral is colorlessin pattern (obtained with a 114-mm Gandolfi camera)deteriorates thin fragments and shows neither pleochroism nor absorption into a confusing blur of very faint lines at low values. If the but has weak dispersion,r > v. mineral is ground prior to study, additional lines appear in the The name is for Mr. Louis Moyd, Curator Emeritus at the pattern. Paramendozavilite is not a molybdate, but is a com- National Museum of National Sciences,Ottawa. Type material pound of a heteropolyacidP-Mo radical. consistsofseveral singlecrystals in the collectionsofthe National The mineral occurs in the bright yellow oxide zone of the Museum of Natural Sciences,Ottawa, Ontario, Canada(NMNS Cumobabi molybdenum pegmatite deposit southwest of Cum- 5077l), andthe SmithsonianInstitution (162936). A cotypespec- pas, Sonora, Mexico. The mineral occurs only in biotite-rich imen has approximately 15-mm-sizedcrystals on a quartz matrix pegmatitegangue and is associatedwith a great number of sec- (NMNS 50772).A.C.R. ondary molybdenum minerals, among them mendozavilite. The mineral forms abundant massesin this zone. Prismatic crystals have one perfect cleavageand polysynthetic twinning parallel to Parabariomicrolite* the cleavageplane. Paramendozaviliteis pale yellow (Aureolin RHS 12C) u/ith a T.S. Ercit, F.C. Hawthorne, P. Cernj'(1986) Parabariomicrolite, very paleyellow streakand vitreousluster. H: 1, D-."" = 3.35. a new species,and its structural relationship to the pyrochlore group.Can. Mineral., 24,655-663. The mineral is solublein all common acids (HCl, HNO3, HrSOo), even in dilute form at room temperature.Its optical properties Electron-microprobeanalysis (Brazilian material) gave NarO are biaxial negativewith a : 1.686,B : 1.710,t : 1.720 and 0.4, K,O 0.3, SrO 0.8, BaO 10.5,PbO 0.4, Nb,O5 1.5,Ta,O, 2E^. extinction oblique to cleavageand twinning planes. ":60o; 80.6, sum : 94.5 vrto/o;crystal-structure arguments indicate 5.2 The name is derived from the similarity of the mineral to wto/oHrO, to give a sum of 99.7 wto/o.The ideal chemicalformula mendozavilite.Type material is at the British Museum ofNatural is BaTaoO,o(OH),.2HrOwithZ: 3. History in London. E.A.J.B. The mineral is rhombohedral, space grotp R3m with a : 7.4290(6)and c : 18.505(2)A. The strongestlines of rhe X-ray powder pattern (37 given) are 6.18(50X003),3.172(65)(021), Rhodizite 3.085(41X006), 3.040(100)(202),2.64r(50)(024) and A. Pring, V.K. Din, D.A. Jeferson,J.M. Thomas (1986) The |.591(42)(226).The crystal structurewas solved by crystal-chem- crystalchemistry of rhodizite:A re-examination.Mineral. Mag., ical arguments,augmented by the X-ray powder-diffractiondata, 50, 163-172. and is a layer structure derived from that ofpyrochlore. Parabariomicrolite is translucent, white to pale pink, with a The material from Ambatofinandrahana, Ankarata Moun- white streakand a vitreousto pearlyluster. H : 4, D*rc: 5.97. tains, Madagascar(lat 20'33'5, long 46"49'E) has the formula The mineral is nonfluorescentand brittle and has well developed (IG ouCso,uRboouNa" or)ro roAl, ,rBeo(B,,,rBeo ,rl-io or)O* and rep- {001} and { 101} cleavages.Optically anisotropic with all indices resents the K analogue of rhodizite, ideally (Cs,K)A1oBe.- ofrefraction greaterthan 2.0. Individual crystalsrange from 0.01 (B,Be),rO*. [Note: The formula given in Fleischer'sGlossary of to 0.1 mm in size. Mineral Species,Fifth Edition (1986) with (Ca,K)AtBeo@,Be),,- Parabariomicrolite occurs as topotaxic replacementsof mi- O,u is incorrect.lThe mineral is cubic with a : 7.318(l) A and crolite, and more rarely as open-spacefillings, in oxide-mineral has the spacegrotp P43m. assemblagesof the Alto do Giz pegmatite,Rio Grande do Norte, Discussion.Pertinent data should be sent to the Commission Brazil. Associatedminerals include simpsonite, tantalite, man- on New Minerals and Mineral Names. IMA. for accreditationas ganotantalite, tapiolite, natrotantite, alumotantite, stibiotanta- a new mineral species.A,C.R. lite, beryl, spodumene,and petalite.A secondoccurrence is noted from near Lake Kivu, Zaire. The name is in allusion to its chemical similarity with bario- Simonkolleite* microlite. Type material is housedin the collectionsof the Royal K. Schmetzer,G. Schnorrer-Kiihler,O. Medenbach(1985) Wiil- Ontario Museum, Toronto, Ontario, Canada(M22607), and the fingite, e-Zn(OH),, and simonkolleite, Zn5(OH)EC1,'HrO,two Smithsonian Institution, Washington ( 104739).A.C.R. new minerals from Richelsdorf. Hesse.F.R.G. Neues Jahrb. Mineral. Mon., 1985, 145-54.
Paramendozavilite* Electron-microprobe analysis (for Zn, Fe, and Cl) and wet- chemicalanalysis (for HrO) gaveZnO 73.63, FeO 1.25,Cl | 1.73, S.A. Williams (1986)Mendozavilite and paramendozavilite,two H,O 16.2I,lessO = Ct2.65, sum 100.17wt0/0. The presenceof new minerals from Cumobabi, Sonora.Boletin de Mineralogia (Soc. Mexicana Mineral.), 2, 13-19. water was establishedby infrared spectroscopy.The results are in agreementwith the ideal formula Znr(OH)rClr'HrO. Wet-chemicalanalyses of 1054 pg (for Fe, P, Ca, Mg, Mo, Na, The strongestX-ray diffraction lines (27 listed) obtained with Al, Cl) and again of 2636 pg (for Fe and P) gave FerO, 13.36, a 114.6-mmDebye-Scherrer camera are 7.87(100)(003), AlrO34.65, CaO 0.59, Na,O 0.54,MgO 0.16,P,O, 10.32,MoO, 5.33(30X10 r), 4.01 (30X1 04), 3.s8(40X1 05), 3.l 6(40X1I 0), 42.01,Cl0.65,HrO 28.05,less O = Cl 0.15,sum 100.18wt0/0, 2.72s(50)(20 1), 2.672(60)(202), 2.37 2(40)(205). Synthetic correspondingto a proposedidealized formula NaAlo[FedPO.)r- Znr(OH)rClr.HrO is hexagonal,space group R3rn. The refined (PMo,rO..)(OH)r61.56H,O. unit-cell dimensionsof the natural material area : 6.334(2),c : The strongestX-ray ditrraction lines (24 given) are I 4.36(100), 23.5S(l)4,, V : A1.9.qeA" Z: 3. D*n:3.35, D.* : 3.20(5) 12.90(40),10.18(60), 9.48(100), 7.98(50), 7.38(70), 6.56(50) A. ilcm'. Becauseof problems of low symmetry (not higher than rnono- Simonkolleite is natural zinc hydrochloride II. The mineral clinic), the resultscould not be indexed with the Ito method. The occursas a natural weatheringproduct ofZn-bearing slagsin an NEW MINERAL NAMES 195 old slag-heapof the Richelsdorf foundry, Hesse,F.R.G. Asso- and c' : c/2 arrd shows diffraction characteristicscompatible ciated phasesare zinc (most probably not of natural origin) and with pseudo-spacegroups P63l mmc, P-62cand P6rmc''fhese arc the following natural weathering products: wiilfingite, hydroce- consistentwith sturmanitebeing isostructural w'ith ettringite.The russite,diaboleite, zincite, and hydrozincite.Simonkolleite forms strongest X-ray powder lines (25 given) are 9.67(100X100), tabular to lamellar hexagonalcrystals up to I mm in diameter. 5.5 8(70X 1 I 0), 3.89(70XI r4), 2.77 4(50)(30 4), 2.582(60X2I 6), Perfect cleavageparallel to (0001); no fracture observed. The 2.2t5(50)(226,320). mineral is colorless,transparent to translucent, with a white streak Fresh, unaltered sturmanite is bright yellow, transparent,and and vitreous luster. H is about lVz. Soluble in dilute acids. Si- occursas euhedral hexagonal dipyramidal crystals,not exceeding monkolleiteis uniaxialpositive with
ism observedon the cleavageplane (001). Its optical properties poor agreementwith the measured valte,2.76 g/cm3. Because are biaxial negative,d: 1.663(2),P : 1.760(2),t : 1.762(2) ofthe uncertainty in the cell size, the formula proposed by the and 2V^" 16,2V."t : 16; X : c. DTAdata show two endo- authorsis moot. E.S.G. ": .C thermic peaks at 83 (dehydration) and 853 "C (fusion), and an exothermic peak at 574 .C (formation of UrOr). On heating to 618 "C, the mineral becomesbrown, the luster fades,and the Weishanite* transparencydisappears. Li Yuheng, Ouyang Shan, Tian Peixue (1984) Weishanire-A The name is for the locality. Type material is at the Uranium new gold-bearing mineral. Acta Mineral. Sinica, 4, 102-105 Geology ResearchInstitute in Beijing. E.A.J.B. (in Chinese,English abstract).
Electron-microprobe analysis gave Au 56.91, Hg 39.92, Ag Tokkoite* 3.17,sum 100.00wt0/0, corresponding to (Auo*rAg orr). r,rH& ,rr, ideally (Au,Ag),Hgr. The mineral occurs as pale yellow aggre- K.A. Lazebnik,L.V. Nikishova, Yu.D. Lazebnik (1986) Tok- gates, 0.05 to 0.4 mm, in which individual grains vary from koite-A new mineral of charoitites.Mineralog. Zhurnal, 8 (3), 85-89 (in Russian). severalmicrometers to a maximum of 30 pm. Au, Ag, and Hg are distributed uniformly. Luster metallic; ductile and malleable; Analysesby classicalwet-chemical (and in parentheses,average H : 50.5kglmm'z(Mohs' : 2.4);D*": 18.17g/cm3.In reflected of two microprobe)analyses gave SiO, 55.65(54.17), TiO, 1.42 light, light yellow with weak reflection pleochroism and anisot- (1.18),Fe,O, 1.58(1.57), MnO 0.70 (0.5a),MgO 0.30 (0.98), ropism. Reflectancein air (WC standaro: 480(63.75),534(76.30), CaO 25.10(24.15), Na,O 0.60 (0.41),K,O 11.33(12.95), H,O 589(81.03),656(68.6). A hexagonalcell ofa : 2.9265,c:4.8178 2.40, F 1.50, sums 99.95, (99.22) wt0/0,corrected for F = O A was calculatedfrom the X-ray powder pattern (Cu radiation, and correspondingto (K, r, Nao,r)r, oo(Ca, o,Mgo ou Mrr6 6s F€6 15- 57.3-mm camera)by analogywith data for syntheticAurHg (PDF Ti. ,3)238rsi7 r3Or7(Or 63OHr 'rFo u,)- ruand (K, orNao,r)"r rr(Ca. ,r- 4-808); spacegroup P6r/ mmc, Z : 2. Strongestlines of the X-ray Mgo,nMnoou Feo,, Tio,,)rr* Siu* O,, (O,rnOHro, Fou,)"00, or pattern are 2.243(100X101),1.4609(60)(l l0), 1.3593(80)- KrCaoSirO,r(O,OH,Do.Spectral analysesgave Sr (to 0.Io/o);Zr, (103), 1.250e(80X112), t.22s5(60)(201),0.9954(70)(203), Nb (0.0-folo);Be, Cu, V, Ag, Y, and Yb (0.001o/o);Ba absent.The 0.9396(90X21l), 0.9293(60X1l4), 0.8235(60X213). DrA curve shows an endothermic peak at 920 "C. The infrared Weishanite occursin a silicified zone in the silver-rich part of spectrum showsa wide absorption band between 1080 and 800 a gold-silver orebody in biotite granulite in the Poshan mining cm r, with maxima at 920,970,1020.and 1080cm-t attributed district, Tongbai, Henan Province, China. Associatedminerals to I"Si-O, and bandsat 1595and 3450 cm-Iattributed to hy- include pyrite, galena,sphalerite, pyrrhotite, scheelite,acanthite, droxyl. native silver, and native gold. Type material is preservedat the It is not possible to isolate a single crystal for X-ray study. National Geological Museum, Beijing, China. J.L.J. Electron-diffraction studies suggestthat the mineral is triclinic with c sin P :7.13 A and a sin B : 1.02 A. By indexingthe X-ray powder pattern, the following triclinic cell was calculated: Wiilfingite* a: 10.37(3),b : 25.39(5),c : 7.27(t)A, a: 9t.67(lf, B: K. Schmetzer,G. Schnorrer-K6hler,O. Medenbach(1985) Wiil- 100.66(lf, : 92.09(l). The strongestlines (56 given) t are fingite, eZn(OH),, and simonkolleite, Zn,(OH),CI,'H,O, two 3.34(55X3r0.041). 3.32(85X260.132),3.15(l00xl42.ll2), new minerals from Richelsdorf. Hesse.F.R.G. Neues Jahrb. 3.125(85)(26r,r22), 3.075(62)(11 r,267), and 3.044 (broad)- Mineral.Mon., 145-l54. (e1x340). The mineral occurs in zones a few centimeters thick or in Electron-microprobeanalysis (for Zn) and thermogravimetric streaky, elongated, nearly monomineralic segregationsin the analysis(for H,O) gaveZnO 81.5, HrO 19.0,sum 100.5wto/o; southern part of the Murun alkaline massif (S. W. Yakutiya, the results are in agreementwith the ideal formula Zn(O}l)r. betweenthe Charo and Tokko Rivers). The mineral is intimately The strongestX-ray diffraction lines (37 listed) obtained with intergrown with charoite,tinaksite, and miserite, which are pres- a 114.6-mmDebye-Scherrer camera are 4.407(100X110), ent in minor amounts in the segregations,as are aegirine and 4.250(80X101,200),3.280(l00xl I r,2t0), 3.212(80x201), K-feldspar. 2.727 (80)(2r r), 2.284(80)(O2L),2. 2 15(80X3 I I ), 1.5 29 5(80X203). The mineral forms radiating or columnar aggregates.Color in Synthetice-Zn(OH), is orthorhombic, spacegrotrp P2r2,2,. The largemasses light brown; in isolatedprisms, pale yellow; in trans- refined unit-cell dimensions of the natural material are a : mitted light, colorless;luster vitreous, fracture splintery, cleav- 8.490(1),b: 5.162(t),c: 4.917(r)A, v:2ts.4e A3,Z: 4. agesvery perfect{0 I 0}, perfect{ I I 0}. H : 4-5, D ^."": 2.76(l) D.",.: 3.06,D-"". : 3.05(2)g/cm3. (hydrostatic suspension),D."t": 2.77 g/cm3 for Z: 4. Optically Wiilfingite is natural e-Zn(OH)r.The mineral occurs as a nat- biaxialpositive, a: 1.570(2),t : 1.577(2),2rl: 38.(5).weak ural weatheringproduct of Zn-bearing slagsin an old slag-heap dispersionofthe optic axesr < v. Z t, c: 0. to 15.. of the Richelsdorf foundry, Hesse,F.R.G. Associatedphases are The name is for the Tokko River. Type material was given to zinc (most probably not ofnatural origin) and the following nat- the mineralogicalmuseum of the Institute of Geology and Geo- ural weatheringproducts: simonkolleite, hydrocerussite,diabo- physics, Siberian Division, Academy of Sciencesof the USSR, leite, zincite, and hydrozincite. Wtilfingite occurs in very fine- Novosibirsk. grainedincrustations of native zinc and zincite, or in small crys- Discussion.Available X-ray and electron-difraction data are tals up to 200 pm in size. The mineral is colorlessto whitish not sufrcient to determine unequivocally the cell size and sym- with a white streak and waxy luster. No cleavage;conchoidal metry. The authors note that in the course of approving the fracture.H: 3. Solublein dilute acids.In thin section,wiiLlfingite mineral, the IMA commission proposed alternative formulae: is colorlessand transparent. The optical constantswere deter- K.CarSiuO,'(OH,F),requiring Z : 5, andK"CarSi,oOro(O,OH,F)u mined with a microrefractometer spindle-stage:at 589 nm a : with Z : 2, but the latter gave a calculateddensity of 2.63, in 1.5722(3) (not l .527 7 as pintedtwice in the paper!),B : l. 57 8 I (3), NEW MINERAL NAMES t9'7
1 : 1.5801(3)and 2Vx: 60" (meas.and calc.);2V' dataare also The phasesoccur with native metals and other intermetallic given for nine other wave-lengthsfrom 405 to 680 nm: the dis- compounds in spheroidal globules (with a diameter up to 100 persion of optical axes(2Vr) r >> v is extreme. Calculations of r.rm)that unmixed from silicate glassin fulgurite masses20 km the Gladstone-Dale relationships lead to a compatibility index north of Ann Arbor nearWinans Lake, Livingston County, Mich- | - KJK- of 0, which shows the superior compatibility of all igan, U.S.A. Temperatures in excessof 2000 K and reducing data. conditions approachingthose ofthe SiOr-Si bufer were needed The name is in honor of Ernst Anton WiiLlfing(1860-1930), to form the coexistingmetallic and silicate liquids. The authors Professorof Mineralogy and Petrographyat HeidelbergUniver- stressthat earlier reports of similar compounds should not be sity from 1908 to 1926. Type material is preservedin the min- rejecteda priori as requiring impossible geologicalconditions. eralogicalcollections of the Universities of Giittingen and Hei- delberg.E.A.J.B. Unnamed TiP Electron-microprobeanalysis gave nearly stoichiometric TiP. The phaseoccurs as long laths intergrown with FerSi', FeSi and Au-Pb Unnamed FeTiSir, or in intergrowthswith FeSi and FerSi' encasingskeletal S.D. Voznesenskij,N.G. Zolotova (1986) Contemporary min- Si and < l-pm-sized blebs of Au. eral-forming processesin a gold placer. Zapiski Vses. Miner- alog.Obshch., ll5,301-310 (in Russian). Unnamed FeTiSi, Electron-microprobeanalysis gave Si 31.4,P 6.4, Ti 29.8,Fe intermetallic Au-Pb mineral gave Microprobe analysesof an 33.3, Mn 0.4, sum 101.3wt0/0, corresponding to (FerorMnor)- Au Pb which may conespondto AuPb', 8.2-33.1, 66.5-91.8, Tir53(Si454Pu?),or idealized FeTiSir. The phaseoccurs as long intergrowths with native gold. Weak peaks on AuPb., or their laths intergrown with Fe3Si',FeSi, and TiP. powder pattern impure material, dominated by na- the X-ray of Discussion.Further studies are certainly needed.It is re$et- gold lead, correspondto those ofAuPbr or AuPbr. tive and table that previously contestedphases and similar new phases The mineral occurs in an alluvial gold deposit in the north- are described with so few data (not even optical properties). part ofthe USSR assegregations up to 12mm, asa cement eastern E.A,J.B. among grainsof gold, pyrite, ilmenite, etc., or as coatingson gold grains.J.P. Unnamed analogue of thalenite
Unnamed solid solutionsof Ir-Os-Ru with Fe A.V. Voloshin, Ya.A. Pakhomovsky,F.N. Tyusheva(1985)Kei- viite-(Y)-A new yttrian diorthosiliate, and thalenite from A.G. Mochalov, G.G. Dmitrenko, I.V. Zhernovskii, N.S. Ru- amazonite pegmatites of the Kola Peninsula. Diortho- and dashevskii( I 985) New iridium-osmium-ruthenium type (solid triorthosilicates of yttrium. Mineralog. Zhvnal, T (6), 79-94 solutions of rare platinum-group elementswith iron) of plat- (in Russian). inum-group mineralization in chromium spinel-group min- erals of alpine-type ultramafic rocks of the Koryak Highland. Microprobeanalysis gave YrO, 57.92,YbrO3 I.24 EtrO, 2.42, Vses. ll4, 544-554 (in Russian). Zapiski Mineralog. Obshch., Dy,O, 1.86,LurO,0.06, GdrO3 0.78, TmrOr 0.34,HotOr 0.70, Tb,O30.00, Sm'O, 0.47, CaO0.27, SiO, 33.03,sum 99.10wto/0. microprobe given for pre- Twenty-six analysesby electron are The X-ray pattern of the mineral differs slightly from that of native solutions of Ir, Os, Ru, Rh, and viously unknown solid thalenite: a difraction line at 4.45 A cannot be indexed with in Fe, Ni, The analysesare groupedinto five suggested Pt and Cu. thaleniteparameters, and the strongliteat2.248 A, characteristic isomorphous series:Fe-Ru, Ni-Ru, Fe-Os, Fe-Ir, Ni-Ir, and Fe- of thalenite, is not present.The mineral occursbetween crystals Each small amounts of severalor all of Rh-Ir. of thesecontains of keiviite-(Y) in amazonitic pegmatitesof the Kola Peninsula. the following: Cu, S, Pt, Pd, Co, As, Mg, Si, Al. Many of the J.P, analyseshave sumsbetween 80 and 98 wt0/0,attributed either to unanalyzedlight elements or to the presenceof abundant mi- crofractures. Unnamed layer silicate The compounds occur in discrete crystals and intergtown masses,measuring 40 to 60 pm, but up to 200 pm in the chromite K. Wada, Y. Kakuto (1983) A new intergradient vermiculite- layersof alpine-typeultramafic massifsin the Koryak Highlands. kaolin mineral in 2: I to l: I mineral transformation. M6m. Sci. Associatedminerals include laurite, osarsite,awaruite, oregonite, G6ol. (Strasbourg,France), 7 3, 123-131. iridosmine, rutheniridosmine, osmiridium, tetraferroplatinum, A phyllosilicate with a d*, of 14 A, previously called a "chlo- isoferroplatinum,tulameenite, irarsite, native iridium and native ritized vermiculite," was studied by X-ray diffraction and in- platinum. Crystals of the new compounds are combinations of frared spectroscopyin combination with dissolution by hot 0.33M octahedra,cubes, and pentagonaldodecahedra. In reflectedlight, sodium citrate and heatingat 350 to 550'C. The resultsindicate the minerals vary from white (in Fe-rich examples)to light-gray that the vermiculite does not contain aluminum hydroxide, but gray (in with microcracks).The Fe-Ru and Ni-Ru and examples that there is a partial transformation of layers in the vermiculite grains are markedly anisotropic, and the others are weakly an- structureinto doublekaolinite layers(which explainsthe presence isotropic to isotropic. D.A.V. of 14-A reflections).If this transformation occursin most layers of the vermiculite structure, it results in the formation of a new intergradientvermiculite-kaolinite mineral, which representsan Unnamed TiP, unnamedFeTiSi, intermediate stageof the 2:l to 1:l mineral transformation in E.J. Essene,D.C. Fisher (1986) Lightning strike fusion: Extreme layer silicates. reduction and metal-silicateliquid immiscibility. Science,234, The phase has been observed in several temperate red and I 89-l 93. vellow soils (ultisols and alfisols),and in soils derived from dif- 198 NEW MINERALNAMES
ferentparent materials. In this study the sampleswere taken from uor 49.61, P,O5 18.56,H,O 22.45, total 100.00wto/0, corre- soils in Korea. spondingto Al,,(UOr)r(POo),r(OH)ro'58HrO or approximately Discussion.A study by electronmicroscope is needed.E.A.J.B. AIr0JOrXPO"),(OH), 8HrO, which differs from the original de- scription. X-ray diffraction studies show the mineral to be tri- clinic,Pl or PI with a : 19.27l(6), b : 14.173(4), c : 12.136(7) New Data 4,, a : 67.62(3),B : I 15.45(3),r : 94.58(3)"and V : 27s4(2) A'. A new cell orientation has been chosenwith B and 7 obtuse. Calomel J.D.G. V.I. Vasilev, Yu.G. Lavrentev,N.A. Palchik (1985) Bromine calomel-A new variety of natural HgrClr. Geologiya i Geo- fizika, 26 (l l), 56-61 (in Russian; English translation avail. Glushinskite* able). P. Bayliss (1987) Mineral nomenclature:Glushinskite. Mineral. Mag., 51, 327-328. Calomel grains from the Kadyrel mercury ore deposit (Tuva ASSR, southern Siberia) contain up to 14.5 wto/oBr so that the Glushinskite, Mg(C,Oo) 2H,O, originally described inade- formula proportion of Cl:Br : l:1. Calomel and kuzminite (see quately in 1960, is now known to occur at three localities and accompanyingabstract) form a solid-solution seriesHgrClr-HgrBrr, has beenapproved as a mineral name. J.L.J. with Cl > Br in calomel, and Cl < Br in kuzminite. The name Br-calomelis proposedfor the mineral of compositionHgr(Cl,Br)r, Cl > Br. Imogolite* Discussion. The new name Br-calomel is unnecessaryfor a variety of calomel. J.P. P. Bayliss ( I 9 87) Mineral nomenclature: Imogolite. Mineral. Mag., 5t, 327. Imogolite has the ideal formula AlrSiO3(OH)4,and a two-di- Charoite mensionaltabular structurewith D : 5.1, c: 8.4 A. The X-ray powderpattern L.V. Nikishova, K.A. Lazebnik, Yu.D. Lazebnik (1985) Crystal hasstrongest lines at 16(100,vb),7 .9(70),5.6(35), chemical formula of charoite. Kristallokhim. Strukt. Tipo- 3.7(20),3.3(65,vb),and 2.25 A (zs,vt). The mineral now has morfizm Mineral., 1985, 100-104. beenaccepted as distinct from allophane,the latter being almost amorphous and having the composition AlrOr'(SiOr),.r-ro' The chemical formula of charoite is given as (HrO)rs_30.J.L.J, (K,Na),(Ca,Ba,Sr)r(Si,rOro)(Si6O,6XOH,DnH,O with the unit- cellparameters a: 10.7,b : 32.0,c:7.25 A, P: ttZ; a structural similarity to miserite is suggested.F.C.H. Redledgeite
J.D. Scott, G.R. Peatfield (1986) Mannardite [Ba Ferrithorite HrOl(Ti6V;*)Or6, a new species,and new data on redledgeite. Can. Mineral., 24, 55-66. G.N. Nechelyustov, T.N. Shuriga (1986) "Ferrithorite" from subalkalic rare-metal metasomatites of eastern Siberia. Mi- A reinvestigation of holotype redledgeite shows the correct neralog. Zhurnal, S (l), 88-94 (in Russian). formula to be [Ba, .,(H.OL,,](TiuCr?j,Vfr.fi,Fefl-f,)O,u. Revised unit-cell parameters ate a : 14.320(2),c : 5.893(l) A, space Ferrithorite from easternSiberia was studied optically, chem- group 14,/a. Redledgeiteseems to be isostructural with man- ically (by (X-ray electron microprobe), and crystallographically nardite; however, additional, weak ditrraction-maxima in the powder diffraction) to determine how Fe is incorporated.Chem- precessionphotographs of redledgeitesuggest additional Ba-HrO ical analysesshow that the Si/(Th + U + Pb) ratio in ferrithorites order in this mineral. T.S.E. remains close to unity whatever the Fe content. In one variety of the Siberian material, the Fe is enriched in submicroscopic veinlets and inclusions. The Fe is interpreted to be in the form Rozenite* of iron hydroxides, finely dispersedin thorite, vrith no evidence ofisomorphic Fe for Th substitution. The absenceofextra lines P. Bayliss(1987) Mineral nomenclature:Rozenite. Mineral. Mag., on X-ray powder patterns is attributed to the poor quality of 5t, r76. patternsobtained on iron hydroxidesin general.Thus, the eastern Rozenite,FeSOo .4HrO hasbeen approved as mineral distinct Siberian ferrithorite is a mechanicalmixture of thorite and iron a hydroxide formed by secondaryalteration of thorite. E.S.G. from siderotil, FeSOo'5HrO. J.L.J.
Furongite ScaPolite* M. Deliens, P. Piret (1985) The uranium and aluminum phos- P. Bayliss(1987) Mineral nomenclature:Scapolite. Mineral. Mag., phates from Kobokobo: VIII. Furongite. Schweiz. Mineral. 51,176. Petrogr. Mitt., 65, l-7 (in French). Scapoliteis retained as a group name encompassingthe mari- Kobokobo, Kivu, Zaire, is the second world occurrence of alite (NaoAlrSinOroCl)-meionite(CaoAluSi.OroCOr) series. Dipyre furongite. Chemical, thermogravimetric, and crystallographic data and mizzonite are regardedas varietal names;wernerite is syn- aregiven. Electron-microprobeand roa analysisgave AlrO, 9.38, onymous with scapoliteand is abolished.J.L.J. NEW MINERALNAMES r99
Schniederite klady Akad. Nauk SSSR,Earth SciencesSection, 264, 149- 15 2 (English translation of original, 264, 689-693)' H. Effenberger(1987) Crystal structureand chemical formula of schmiederite,Pb,Cu,(OH)o(SeOr)(SeOo), with a comparison to Further study of tugarinovite, monoclinic MoOr, showedthat linarite, PbCu(OH),(SOn).Mineralogy and Petrology, 36, 3- it is typically polysynthetically twinned, and bireflectanceand 12. anisotropism color effectsare conspicuous.Detailed optical data basedon measurementsfrom 260 to 700 nm are given. Partial : : The crystalstructure of schmiederite,a 9.922(3), b 5.7l2(2), to complete pseudomorphism by wulfenite occurs in oxidized : : c 9.396(3)A, B tOt.S0(3)"P2,/m, Z: 2 wasrefined to an material. J.L.J. R index of 5. 80/o for 1I 3 I reflections. The chemical formula proved to be PbrCudOH)"(SeOJ(SeOo),a mixed selenite-selenatemin- pre- eral, rather than PbCu(OH)r(SeOo)as had been suggestedin Waylandite vious studies.F.C.H. A.M. Clark,A.G. Couper,P.G. Embrey,E.E. Fejer (1986) Way- landite: New data, from an occurrencein Cornwall, with a note Mag., 50, 731-733. Shakhovite on "agnesite."Mineral. N.A. Pat'chik,M.Yu. Antipin, V.I. Vasil'ev,K.A. Potekhin,Yu.T. Waylandite, a member of the crandallite group, is uniaxial Struchkov (1984) Crystal structure of shakhovite H&SbOu. positive,o:: 1.748,e : I.7'14,mostly twinned,some cyclically. Doklady Akad. Nauk SSSR,278, 108-1 12 (in Russian). Four electron-microprobeanalyses gave AlrO3 25.29-28.1, SiO2 0.06-0.18,P,O' 20.96-23.96,CaO 0.63-1.40,FeO 0.15-O.81, The crystal structure of shakhovite was solved and refined to CuO 0.81-1.06,BaO 0.77-1.01,Bi,O3 32.2'l-37.32, H,O (calc. : R 6.00/ofor 1160 observed reflections. A revised chemical by difference) Ill5-14.32 wt0/0.The idealized formula is Bi- formula has resulted: H&SbOu. The unit cell has been reset to Al3eO4),(OH)6.X-ray powderdata yield a cell with a : 6.9834(3), previously proposed : one-half the volume of the setting: d c : 16.175(l)A;z: 3, D."r.: 4.08 g/cm3.The optical results, 106.42(2), 4.855(l),b:5.415(2), c:8.249(2) A, o: P: chemical analyses,and simplified formula are new. J.L.J' 104.18(2),t:98.75(2Y, givingZ: I and D*rc:8.64 g/cm3. T.S.E. Discredited Minerals Sjiigrenite O.K. Ivanov, Yu.V. Mozzherin,V.I. Vilisov (1986)New data on sj The following are errata for "Proceduresinvolving the IMA Commission on New Minerals and Mineral Names and guidelines on mineral nomenclature" by E. H. Nickel and J. A. Mandarino lAmericanMineralogist, v.72 (1987),p. 1031-10421. Page 1034, column 2, line 8 from bottom: change elementsY or Sc lo element Y. Page 1037, column 5, line 3l from bottom: changeEucolitelo Eudialyte. Page 1037, column 5, line 23 from bottom: changefeitknechiteto feitknechtite. Page 1038, column 2, line 23 in Table: changeGotzenite lo Gdtzenite. Page 1038, column 2, Iine l0 from bottom: changeTantettxenitelo Tanteuxenite-(Y). Page 1038, column 5, line 13 from bottom: changeCrocidolite toAsbestiform riebeckite. Page 1039, column 2,line 12 from bottom: changeKarnasurtiteto Karnasurtite-(Ce). Page 1039, column 2, line I I from bottom: changeCrocidolite to Asbestiform riebeckite. Page 1039, column 2, line 10 from bottom: change Crocid,olite/o Asbestiform riebeckite. Page 1039, column 5, line 41 in Table: changePsilomelaneto Romanechite. Page 1039, column 5, line 59 in Table: deleteBeta-lomonosovrte. Page 1040, column 2, line 8 in Table: changeYtrropyrochlore lo Yttropyrochlore-(Y). Page 1040, column 2, line 3 from bottom: changeChtxchite /o Churchite-(Y). Page 1040, column 2, last line: change Alpha-qtrartzto Quartz. Page 1040, column 4, hne 24 in Table: aler Simpsonite add (of Wade and Prider). Page 1040, column 4, line 51 in Table: afterStlbiomicrolite add(of Quenseland Berggren). Page 1040, column 4, line 65 in Table: a/er Sundiusite add (of Phillips and Layton). Page 1042, column 1, line 2 in Appendix 2: insert Aeschlnite-(Y) below Aeschynite-(Nd). Page 1042, columns I and 2,line 3l from botrom: deleteEwaldite andEwaldite-(Y\. Page 1042,columns I and,2,line 5 from bottom: changeKeivyite to Keiviite and Keivyite-(Yb) lo Keiviite-(Yb). Page 1042, column l, line 5 from bottom: insertKeiviite-ff) below Keivyite. Page 1042, column l, line 3 from bottom: lnserl Kuliokite-(Y below Kobeite. Page 1042, columns 1 and 2,line 2 from bottom: deleteKusuite and Kusuite{Cer. Page 1042, column 3, line 9 from bottom: insertXinganite-(Y) below Xenotime. NOTICE Snr 37 oF THE file by the use of search manuals in which the eight strongest JCPDS PowoEn Drrrn-tcrroN FrLE lines with relative intensities are listed and the three most in- tensepermuted. This year, the Powder Diffraction File featuresSet 37, which The traditional Data Card has been replacedin Set 37 with a contains 1500 inorganic patterns and 500 organic and organo- book form volume and for the first time, the file is available on metallic pattems. a CD-ROM for retrieval and display of all data related to a The complete Powder Ditrraction File, used as the standard pattem. Other available media include data card (older sets), referencesource for powder ditrracrion analysis, consists of 37 microfiche, magnetic tape, APD disk, and microcomputer. sets of data containing approximately 48000 patterns numeric Subfilesfor metals and alloys, minerals, and forensic materials of crystalline materials. are also available. Each setofdata is divided into an inorganic section, consisting For a descriptive brochure, write to JCPDS-International of inorganic compounds, metals, alloys and minerals, and an Centrefor Diffraction Data, 160I Park Lane, Swarthmore,Penn- organic section consistingof organic and organic-metalliccom- sylvania19081-2389, U.S.A. pounds. Powder patterns for materials are easily located in the