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Home , Alluaivite, Berborite, Mendipite, Nadorite, Zanazziite

American Mineralogist, Volume 76, pages 1728-1735, I99I

NEW NAMES*

JonN L. Jlunon CANMET. 555 Booth Street.Ottawa. Ontario KIA OGl. Canada Jncrx Puzrnwtcz Institute of Geological Sciences,University of Wroclaw, Cybulskiego30, 50-205 Wroclaw, Poland

shcharovskii ( I 99 I ) Bekovite-A new -niobium A.p.Khomy"n"", o.r'ltillillli'or",,"", R.K. Rasrsve- silicatefrom carbonatitesof the Vuoriyarvi massif(Kola taeva ( I 990) Alluaivite Na,r(Ca,Mn)u(Ti,Nb)3Sir5O,oCl. Peninsula,USSR). Neues Jahrb. Mineral. Mon., 23-31. 2HrO-A new titanosilicate of -like structure. One of four electron-microprobe analysesgave NarO Zapiski Vses.Mineralog. Obshch., I l9(3), (in l17-120 0.20,KrO 0.55,CaO 0.05,BaO 30.30,AlrO3 0.14, FerO, Russian). 1.78,SiO, 17.80,TiO, 5.60, ZrO. 1.20,NbrO5 42.20, Microprobe analysis (averageof three grains, HrO by TarO, 0.15,sum 99.97wto/0, corresponding to (B:tr,rolQ.,u- coulometry)gave NarO 18.6,KrO 0.2,CaO8.6, SrO 1.0, Na oon Ca o o, ) o0( Nb 44 r Ti o rrFeo' Zr o,,Al ooo Ta oo, ) r, - "3 "r BaO0.6, MnO 3.6,LarOr0.2, CerOr 0.8, SiOr 53.3, TiO, Sior2O24eo, ideally Bar(Nb,Ti)u(Si2or)ro,r.The mineral 6.0,2rO,0.2,Nb,O5 3.9, Cl 0.8,H,O 1.7,O = C120.2, occurs as thin rims on barian pyrochlore and as crystals sum 99.3 wt0/0,corresponding to (Na,rorKo,rSrorrBa",,- up to 1.0 mm long showing{l l0} and {001}; commonly LaoorCeo,,o)r,, ,r(Cao ouMn, or)r, n.(Ti, ,rNborrZro or)", or- barrel shapedby combination of severalprisms and pin- Si258ror3 26C10.66.2.75 HrO. The mineral slowly leachesin acoidal termination. Color brown, transparent, white l0o/oHCl, lowering refraction indices. Occurs as irregular , adamantine luster, fI : 6-7, VHNoo: 970 (900- accumulations up to I mm, closely intergrown with eu- 1030),D-.." : 4.16(3),D".t : 4.25 g/cm3with the em- dialyte. Transparent, colorless, in places weak pink- pirical formula and Z : l. Optically uniaxial positive, brownish tint, vitreous luster, conchoidal , brittle, colorless, r': : 1.928(2) e : 2.002(5); some grains show H : 5-6, D-"," : 2.76(5),D"u,": 2.'78g/cm3 with Z : 6. biaxial figures with 2V up to l0o. X-ray single-crystal Vivid red-orange fluorescencein light. Opti- structural study (R : 0.040) gave hexagonal symmetry, cally uniaxial positive, a : 1.618(2),e : 1.626(2).The spacegroup P62m; the X-ray powder pattern (diffractom- infrared pattern is similar to that of eudialyte, with weak eter, CuKa radiation) has strongest lines of 7.81 extinctionsat 1600 and 3400-3500 cm-'. Single-crystal (35,001,0 1 0), 3.888(5 1,002, 1 I 1,020),3.481 (24,012,021), X-ray study showedtrigonal symmetry, spacegroupR3rn, 2.937 (100,112,120),2.750 (25,022,121),and 1.948 a: 14.046(2),c: 60.60(\ A. Groups of [Si,O,] and two (26,123,222,040),from which a: 8.996(3),c : 7.799(3) A. types of [Si,oOrr]are presentin the structure. The powder The mineral occirrswith magnetite,pyrochlore, phlog- pattern is almost identical to that of eudialyte; strongest opite, chlorite, pyrite, pyrrhotite, , barite, alstonite, lines(35 given)are: 7. l4(80,1 l0), 2.960(100,315),2.825 and nenadkevichitein dolomite- carbonatitesof the ( I 00,404),and, 1.7 62(80,44O). Vuoriyarvi alkaline-ultramafic massive, Kola Peninsula, The mineral occurs in ultra-agpaitic pegmatitesat Al- USSR. The new name is for Soviet mineralogist I. V. luaiv Mountain, Lovozero alkaline massive, Kola Pen- Belkov (1917-1989). Type material is in the Fersman insula, USSR. The consist of , so- Mineralogical Museum, Moscow, USSR. dalite, and potassium feldsparplus ,, Discussion.Structural study of the then-unnamedmin- a cancrinite-like mineral of composition NarAlrSir- eral was abstractedin Am. Mineral., 76, p. 671, 1991. O,.(CO3),alkaline silicates,and Ti-, Nb-, and Zr-silicates. J.L.J. The name is for the place of occurrence.Type material is at the Fersman Mineralogical Museum, Moscow, USSR. Bogvadite+ Discussion. The X-ray structural study is reported in Doklady Akad. Nauk,S,SSR,312(6), 1379-1383, 1990. H. Pauly, O.V. Petersen(1988) Bogvadite, NarSrBa,AloF2o, J.P. a new fluoride from the cryolite deposit, Ivigtut, S. Greenland.Bull. Geol. Soc.Denmark, 37, 2l-30. Belkovite* The average of electron-microprobe analyses of I I A.V. Voloshin, V.V. Subbotin, ya.A. pakhomovskii, crystalsgave Na 5.57,Sr 7.03,Ba 32.17,Al 12.45,F40- A.Yu. Bakhchisaraitsev, N.A. yamnova,D.yu. pu- 45, F*r"42.85, sum 100.07wt0/0, corresponding to Nar.,r- Sro,, Ba, orAloonFro, ideally NarSrBarAloFro.Crystals are 0.05 * Before publication, marked with an asterisk were to 0. 15 mm, blocky, somewhat rounded with strongly approved by the Commission on New Minerals and Mineral corrodedfaces, showing {ll0} and {010} terminatedby Names, International Mineralogical Association. {012}, slightlyelongate [00]. Colorless,transparent, vit- 0003-004x/91/09 l0- I 728$02.00 1728 JAMBOR AND PUZIEWICZ: NEW MINERAL NAMES t729 reousluster, white streak,nonfluorescent, uneven fracture, negative,nonpleochroic, a : 1.660(l),0 : 1.725(l),7 : : : VHN,': 300(50),D-"." 3.85,D*r" 3.898 g/cm3with 1.76|(l),2V^,": 70o,2V.k: 74o, weak r < udispersion, : Z 2. Optically biaxial negative, a : 1.4326(2), 0 : Z : c. Single-crystalX-ray structural study (R* : 0.036) | .4360(2),7 : 1.438 9(2) for tr : 58 9 nm, 2V^*": 87(0. 5)., showed monoclinic symmetry, Pm, a : : : : 2Vurc: 85(6)',a c, A a, t b,optic-axisplane {010}. 4.976(2),b:8.468(2), c :7.212A, B : lO.O+13)".Strong- X-ray single-crystalstudies gave orthorhombic symmetry, est lines of a I 14.6-mm Gandolfi powder pattern (FeKa : spacegroup Pnmn or Pn2n,a:7.110(3), , 19.907(10), radiation)are 5.49(60,01 1), 4.26(100, 1 l 0), 3.67(70, 1 I l ), : c 5.347(3) A as refined from a Guinier-Hiigg powder 2.905(90,r02), 2.320(70,131), 2.048(80,221), and pattern (CuKa, radiation) with strongest lines of 1.979(70,212). 9.9681(40,020),6.6886(40,1 l0), 3.2403(t00,t41), The mineral was found atop pinkish orthoclase in a 3.1945(50,051), 2.924t(50,211), 2.6681(40,002\, miarolitic cavity in granite in a quarry at Baveno, Pied- 2.3758(40,25 I ), and 2.I I 58(50, I 52,321,1 90). mont, Italy. The repository for type material is not given. The mineral occurs with jarlite, ralstonite, barite, J.L.J. K-mica, , and a kaolinitelike mineral in the cryolite deposit at Ivigtut, Greenland. The new name is for Rich- ard Bogvad (deceasedI 952), former chiefgeologistfor the company that mines the cryolite deposit. Grechishchevite* Discussion.A repository for type material is not given. V.I. Vasil'ev, L.V. Usova, N.A. Pal'chik (1989) Grechi- J.L.J. shchevite-HgrSr(Br,Cl,I)r-A new supergenemercury sulfohalide.Geol. Geophys.,30(7), 6l-69 (In Russian, English translation available). Calcian mottramite The averageof I I electron-microprobe analyses(nine K.A. Lazebnik,N.V. Zayakina(1989) Calcium mottram- for material from the Arzak deposit, two from Kadyrel) ite, the first known representativeof a new isomorphic gaveHg 73.00,Br 9.85,Cl 2.05,I5.86,S 7.83,Se 0.02, mottramite-tangeite series.Doklady Akad. Nauk SSSR, sum 98.61 wt0/0,corresponding to HgrorSroo(Br,orCloon- 306(2), 434438 (in Russian, English translation avail- Io.r),, n,, ideally HgrSr(Br,Cl,I)r. Occurs on fracture walls able). as films consistingof minute prisms and groups of equant The average of seven electron-microprobe analyses to slightly elongategrains to 0.2 mm (Anakdeposit); also gave4.82 wtoloCaO (range 3.98-5.94 wto/o'Sand the aver- as powdery massesand as concretions of short prismatic age formula (PbourCao r,)"o.nr(Cu, o,Zlo o,)r, or(Vo nr- crystals to 0.3 mm (Kadyrel occurrence).Color variably P00s)r,.0oOo(OH)."The mineral . . . is an intermediate bright or dark orange,slowly darkening to brown-orange, member of a new mottramite-tangeite series.Since our then black. Streak deep yellow to yellow with a slight mineral is closerto mottramite, we designateit as calcium orange tint, luster vitreous to adamantine, brittle, I1r, : mottramite." 106(88-l l6) kglmm, (Mohs =2.5), distinctcleavage par- Discussion.The approved name for tangeite is calcio- allel to prism elongation. Fragments blacken in 400/oKOH; volborthite(l m. Mineral.,75,p. 1214,1990);the mineral unaffectedby HCI or HNOr. In transmitted light, trans- described is calcian mottramite or, as the authors also parent, parallel extinction, uniaxial positive, refractive in- state in their concluding paragraph, a calcic variety of dices >2, pleochroic from straw-yellow (E')to yellow (O). mottramite. J.L.J. Gray-white and anisotropic in reflected light, distinctly bireflectant from gray-white (R) to gray (Ri) with corre- spondingreflectance values (nm, o/o)436,22.8, 19.2;460, Calcio-ancylite-(Nd)* 24.5,22.2;500,21.4, 18.9; 546, 19.8,17.3;590, 18.8, 16.5;620,18.9,16.7;656, 18.1, 15.9. Strong light orange P. Orlandi, M. Pasero,G. Vezzalini (1990) Calcio-ancy- and orangeinternal reflection. The X-ray powder pattern Iite-(Nd), a new REE-carbonatefrom Baveno, Italy. Eur. good J. Mineral.,2,413418. is in agreementwith results from pyrosynthetic ma- terial for which single-crystalstudy indicated tetragonal Electron-microprobe and CO, analyses(HrO by differ- symmetry, spacegroups P42m (gSvenas P42m), P4m2, ence)gave LarO33.16, CerO. 14.18, PrrOr 3.23, Ndroj P4mm, or P4/mmm. Strongestlines of the mineral from 20.23,SmrO, 7.63,ElrOrnot detected,G4O3 6.68,DyrO3 Ihe Arzak deposit (57.3-mm camera, Cu radiation) are 1.74,TmrOr0.83, YrO3 3.93, CaO 9.05,CO, 23.47,IJ2O 3.9 5(60, | | 2), 3.02(60,13 2), 2.65 (100,023, 340, 0 50), 5.87, sum 100 wto/o,corresponding to (Ndo.roCeouoSrrror.-2. 60(40,123, | 50), 2.34 | (40,440), 2. l 80(30,wide, diffirse, Gdo rr\,ruPro ,rl-ao ,oDyoorTmoor)rr roCa, 20(CO3)3e8(OH),84. 043), and 1.873(30,253,550);calculated cell dimensions I .0 I H,O, ideally (Nd,Ca),Ca(CO3)4(OH)3.H,O. Occursas area : 13.208(6),c : 6.698(9)A. For syntheticmaterial pine cone-like aggregates,up to I mm long, in which with a : 13.225, c : 8.685, and the composition individuals have a dipyramidal pseudoorthorhombic HgrSr(Br,oClo ,Io ,)", o, D^": 7.23 g/cm3with Z : 8. D-" " habit; pale pink color, white streak, vitreous luster, 11: : 7.16 g/cm3was obtained for synthetic material. 4-4.5, brittle, irregular fracture, nonfluorescent,D-"n. : The mineral occursin mercury oresat the Arzak deposit >4.02, D*n:4.08 g/cm3with Z: l. Opticallybiaxial and Kadyrel occurrence,Tuva, ASSR. The new name is r'730 JAMBOR AND PUZIEWICZ: NEW MINERAL NAMES

(med.,600, for Oleg K. Grechishchev,who has studied the Tuva mer- are 14.29(strong,200), 6.39 (med.,3l0),4.77 (med, cury depositsextensively. The mineral occurssporadically 510), 3.69 (med.,710),2.996 (strong,42l),2.744 (med.,242,550, in oxidized cinnabar ores at the Arzak deposit and less 621), 2.709 (med.,62l), and 1.650 frequently in leachedvoids at Kadyrel, in associationwith r3.3. l). numerous other mercury minerals that include calomel, The mineral occurs in pegmatitesof nepheline- kuzminite, cordierite, kadyrelite, lavrentievite, and egle- syeniteat Alluaiv Mountain in the Lovozero alkaline mas- stonite. Specimenscontaining grechishchevitehave been sive, Kola Peninsula,USSR. Associatedminerals are lor- deposited in the Central Siberian Geological Museum of enzenite,nepheline, sodalite, potassium , arfved- the Institute of Geology and Geophysics, Novosibirsk, sonite, aegirine, and eudialyte. The name is for the and at the Institute's Mining Museum in Leningrad. composition [Li, Na (natrium), Ti, silicium). Type ma- Discussion. The new name is for the mineral with Br terial is at the Fersman Mineralogical Museum, Moscow, > Cl, but the authors note that two of the analysesshow USSR. J.P. Cl > Br [the maximum is (ClorrBrorrlorr)].The mineral is susceptible to decomposition under the microprobe beam, and the authors expressthe opinion that the "av- zinnwaldite results with Br > Cl > I best express erage" analytical E.I. Semenov. B.M. Shmakin (1988) Composition of the composition in view of the analytical uncertainties' glimmeritesin exocontactsofrare-metal pegmatitesfrom The mineral apparently is the tetragonal polymorph of ihe Barta. area (India). Doklady Akad. Nauk SSSR' arzakite. J.L.J. 303(l), 199-202 (in Russian, English translation avail- able). Chemical analysesof a yellow mica and a brown one gave, SiO, 43.98,41.57,TiO, 0.08,-, Al2O3 Lintisite* respectively, 24.43,19.60,Fe,O, 2. I 8, 1.72, FeO3.07, 5.l2,MnO 0' I 6' A.P. Khomyakov, L.I. Polezhaeva,S. Merlino, M. Pazero 0.14,MgO 6.22,9.80,CaO 1.36,l'50, Li,O 1.06,1.76, - ( I 990) Lintisite NarLiTi,SioO,o'2H,O A new mineral. NarO 0.54,0.40, KrO 8.00,11.00, Rb'O 0.70,1.82, CsrO Tapiski Vses. Mineralog. Obshch., ll9(3), 76-80 (in 0.01,0.26, HrO 5.35,2.64,F 3.96,5.14, O = F 1.66, Russian). 2. 16, sum 99.44, 100.31wto/0, corresponding to (&'ro- Microprobe analysiscombined with flame spectropho- NaooroRbo orr)"0 830Li0 30r(Mgo .rrFefr.frrFefr.f ruCao or.Mno oro- tometry @i) and IR spectroscopy/DTG (HrO) gave SiO, Ti o*o ) 0r2Al,,5o[Alo 882 si 3 o'o](oH For., )r, es6and ", "8 ",, 44.03,TiOr 27.68,NbrO5 1.10,FeO 0.28, MnO 0.05, (K, o,uNaooru Rbo o* Csooor) ,u,Lio ,,,(Mg r orrFefrj,oFefl$rr- "r NarO 16.72,&O 0.03,Li2O 2.68,HrO 6.55,sum 99.12 Cao,,rMno -r)", ,rrAlourr[Alo ee.Si3 o,0O ro](OHo,r,Fr rrn)", o*, wt0/0,corresponding to (Nar rrffi *r)"3 000LLee8(Ti, esrNbs eo6- ideally KLiMgAl,Si3Or.R. Properties(given only in a single : FeSirr)",erssio 0330,0.0o0' 2.00 I HrO. All iron was assumed table, without amplification) areD 2.90 g/cm3,refractive to be divalent. Readily dissolves in 100/oHCl, leaving a indicesa: 1.532,"y : 1.568,cell dimensions4 : 5.22' b siliceous residuum. Forms fibrous or parallel-columnar :9.02, c: 10.04A, F: 10C,,IM polytype.Themineral aggregates,0.1-0.5 mm thick and l-5 mm long, that re- occurs at the outer contact of rare-metal pegmatites in the placed lorenzenite on cleavagesand crystal surfaces.In- Eastern Ghats mountains at the border between the states dividual crystals are elastic, acicular, up to 0.1 x 0.5 x of Madhya Pradesh and Orissa, India. 5 mm, elongate[001] and flattenedon { 100},macroscop- Discussion. Requires additional data and submission ically similar to vinogradovite. Colorless or pale-yellow, to the CNMMN. J.L.J. transparent, luster vitreous on fracture and pearly on cleavagesurfaces, twinned on {100}, excellent{100} and Pengzhizhongite-6l1x perfect {010} cleavages,splintery fracture, H : 5-6, D^."" Guangming Yang, Zhaolu Pan, Nicun : 2.77(5),D"a.: 2.825 g,/cm3with Z : 4. Weak yellow Jingzhong Chen, Stri,eengZtrizhong (1989) Discovery and study of peng- fluorescencein ultraviolet light. Optically biaxial negative' zhizhongrte-6l1-A new mineral. Acta Mineral. Sinica, dispersionr < v, d : l'672(2), 2V-"": 85(l)", strong 9(l),20-24 (in Chinese,English abstract). P: 1.739(2),"y.,,.: 1.802, positive elongation, ZLy:2, HrO determina- f : B. Extinction straight to very slightly oblique as result Electron-microprobe analysis and an offlattening ofthe needleson {100}. The infrared spec- tion gaveSnO, 18.73, AlrO3 56.00, FerO, 8.38, MgO 8.03, trum showsabsorption bands at 412,435,507, 538, 583' MnO 0.40, ZnO 4.73,SiO, 1.48,H2O* 1.88,sum 99.63 630, 700, 920, 960, 1015, 1060, I 130,and 1645cm-r' wto/0,corresponding to (Mg, rrZnoruFeorrAlo nnMno or- Loss during heating is 6.55 wto/o(half gradually between Sioro)"o oo(Sn' rr Feo rn)", oo(Ale i r !o 2e)",0''Orr(OH)r, simpli- 150-550 qC, half between 550-600 "C). Melting temper- fied as (Mg,Zn,Fe,Al)o(Sn,Fe)r(A1,tr),oOrr(OH)r.Occurs as ature900-950'C. Material dehydratedat 600'C givesan light yellowish brown to light yellow tabular crystals' oc- X-ray powder pattern of lorenzonite.Single-crystal X-ray casionallycolorless, 0.5-1.0 mm long, 0.'+-0.8mm wide' study showedthe mineral to be monoclinic, a : 28.583(4), 0.024.2 mm thick; white streak, vitreous luster, trans- - : g,/cmr b : 8.600(l),c : 5.219(l)A, P : 91.03(2)',space group parent,H 8, D^.u": 4.22(3),D. t 4.16 for the C2/c. Strongestlines of the X-ray pattern (21 lines given) chemicalformula and Z: l. Insolublein hot HCI or hot JAMBOR AND PUZIEWICZ: NEW MINERAL NAMES t73l

HNO3. Optically uniaxial positive, a : 1.802(2), e : Szymaiskiite* :0.10) 1.814(2).X-ray single-crystalstructural study (R A.C. Roberts, T.S. Ercit, R.C. Erd, R.L. Oscarson : indicated trigonal symmetry, space group Pim, a (l 990) Szymafskiite, Hglu*(Ni,Mg)u(COr),,(OH)''- 5.692(5),c : 13.78(2)A. Strongestlines of the X-ray (H.O){*'3H2O, a new mineral speciesfrom the Clear powder pattern (15 lines listed) are 2.846(90,1l0), Creek claim, San Benito County, California. Can. Min- 2.423(100,021,I I 3), | .639(30,t24), l. 545(40,033,t25), eral..28. 703-707. l.4l 4(50,221,028),and 1.050(30). J.T. Szymariski,A.C. Roberts (1990) The The mineral formed with high-temperature, metaso- of szymariskiite, a partly disordered (Hg-Hg)'*, (Ni,Mg)'* matic ore in the Anhua area, Hunan Province, hydronium-carbonate-hydroxide-hydrate. Can. Min- eral..28. 709-718. China. Associated minerals are qtartz, scheelite, mus- covite, magnetite, rutile, nigerite, cassiterite,zircon, and The averageofthree electron-microprobeanalyses gave taaffeite. The new name is for Peng Zhizhong (one of the MgO 2.0, NiO 7.9, HgrO 75.8, COr 6.0-10.7 wto/0.From authors, since deceased),who initially determined the the microprobe-determined NilMg ratio of 2.125/l and crystal structure of the mineral in 1981. The mineral is with CO, and HrO derived from crystal-structural anal- the magnesium analogueof nigerite-61L ysis, the formula is Hglu+(NioorMB, nr)ru oo(Co3)rr(OH)rr- Discussion. No repository for type material is given. (H3O)i+.3H,O,which requiresMgO 1.67,NiO 6.57,HgrO The authors report that penzhizhongite-24Ralso hasbeen 72.14, CO2ll.42,Hro 8.18 wto/0.The infrared spectrum found and will be described separately.J.L.J. showsthe presenceof structural HrO (1650 cm-'), OH and HrO (3308 cm-r), and strong absorptionsfor carbon- ate groups(1094,844,1452, 1350,and 669 cm '). The Rorisite* anomalously high microprobe-determined values for Ni, B.V. Chesnokov,T.P. Nishanbaev,L.F. Bazhenova(1990) Mg, and Hg are attributed to emission of HrO and CO, Rorisite CaFCI-A new mineral. Zapiski Vses. Mine- as a consequenceof heating by the microprobe electron ralog. Obshch.,I l9(3), 73-76 (in Russian). beam. The mineral occurs as millimeter size sprays and crystals, up to 0.4 mm long and Chemical analysisgave Ca 38.94, Mg 3.63, Cl 34.24, disseminated euhedral wide, showing major and F 23.29, sum 100.10 wto/0,corresponding to (Ca"rr- 0.05 elongate[0001], {1010} minor {0001}; striated parallel to on {1010}. M& ,r)",'rF, oo(Clo88Fo ,2)", 66. Soluble in HrO, hygroscopic; [0001] to blue-green, darkening on long in moist air colorless plates become turbid and coated Transparent blue-gray light. Pale blue streak,irregular to conchoidal with colorless drops of CaCl, solution; the turbid plates exposureto fracture, poor , vitreous luster, brittle, consist of fine-grainedfluorite. Slowly soluble in HCI and {10T0} whitens in HCI and reactssim- HNOr; dissolvesglass when mixed with HrSOo.Fusibility nonfluorescenq cold dilute ilarly with minor effervescencein concentratedHCl. 1.5; red flame coloration. In closedtube, fusesand forms but : 4.86 g/cm3 for the ideal formula with Ni/Mg : a colorlessliquid that crystallizesinto a white transparent D.u. 2.125/l and Z : l. Optically uniaxial negative,o : substancethree seconds after removing the flame. The 1.795(3),e : 1.786(3),51:yellowishgreen,E: bluish mineral forms tabular crystals up to I mm in diameter, green, E > O. X-ray single-crystal study (R : 3.49W flattened on {00 I }, with { I I I } and { I I 0} and occasionally showed hexagonal symmetry, space group P6r; cell di- {100}. Some crystals have orthogonal or square shapes; from I14.6-mm Debye-Scherrer most crystals have "fused" surfaces without well-ex- mensionscalculated a pattern (CuKa radiation) 17.415(5),c : 6.01l(a) pressedflat surfaces.Transparent, colorless, vitreous lus- area: A. Strongestlines of the pattern arc 14.9( 100,100), 5.60 ter, white streak,H : 2, excellent{001} and perfect{ 1l0} ( I I 0 I 3.299(80,4 l0), 3.20| (50,40I 2.704 (60,50l), cleavages,conchoidal fracture. Brittle, thin leavesexhibit 00, ), ), (60,212),2.476(50,222), and 1.751(50,702,532). little elasticity.D-""" : 2.78(l), D"",": 2.94 g/cm3.Opti- 2.665 The mineral occurs in massive q\artz at a prospect pit cally uniaxial negative, cr : 1.668(2) , e : 1.635(2).Weak former mercury mine, New Idria violet fluorescencein ultraviolet light (360 nm). X-ray near the Clear Creek Benito County, California. Among the most powder study showed the mineral to be tetragonal, a: district, San minerals montroydite, na- 3.890(l),c : 6.810(l)A, Z : 2. The mineralis isostruc- closelyassociated are cinnabar, mercury, edgarbaileyite.The new name is for tural with matlockite (PbFCl), and the X-ray pattern is tive and J. T. ofCANMET, Ottawa, Canada,who solved analogous to that of synthetic tetragonal CaFCl. Space Szymaf,ski, three small specimens,con- group by analogy with the latter is P4/nmm. Strongest the crystal structure. Only mineral, known. lines (21 given) are: 6.81(45,001),2.557(100,102), taining an estimated 20 mg of the are Type material is in the SystematicReference Series por- 2.267(3 5,003), 2. 138(32,1I 2), and I .5 60(32, I 04). Mineral Collection housed at the The mineral occurs within carbonatized wood frag- tion of the National of Canada, Ottawa. J.L.J. ments in old burnt dumps at Kopeysk, Chelyabinsk Coal Geological Survey Basin, Ural Mountains, USSR. Associated minerals are fluorite, periclase,and troilite. The name is from the Latin Yingiiangite* rorus(dew), alluding to the transparent drops that cover Zhangru Chen, Zuzhu Huang, Xiaofa Gu (1990) A new the mineral in moist air. The type specimen is at the uranium mineral-Yingiiangite. Acta Mineral. Sinica, Fersman Mineralogical Museum, Moscow, USSR. J.P. l0(2), 102-105 (in Chinese, English abstract). r732 JAMBOR AND PUZIEWICZ: NEW MINERAL NAMES

The averageof four electron-microprobeanalyses gave 2.76, Du*: 2.77 g/cm3 with Z : 2. Optically biaxial KrO 2.46,CaO 1.57,CerO, 0.34, YrO3 0.1l, ThO, 0.51, positive,a : 1.606(2),P : 1.610(2),1 : 1.620(2),2V^."" UO3 76.54,P2O5 I1.10, HrO 7.37 (by difference?),sum :72,2V.,.: 65, X: b, Z:Il00l: 3oin obtuseB.X-ray 100.00 wto/0,corresponding to (KourCaoroREEoor-single-crystalstructural study indicated monoclinic sym- : Thoor)r,or(UOr)r r,(POo), 8s(OH)r.4HrO, simplified as metry, spacegroup C2/c, a : 15.874(4),b | 1.854(3),c (K, -"Ca"XUO,)3(PO4)r(OH),*". 4H,O wherex : 0.3 5. Oc- : 6.605(l) A, P :95.35(3)". A GandolfiX-ray pattern curs as compact microcrystalline aggregatesin which grain (CuKa radiation) is similar to the pattern of roscherite sizeis 0.01 to 0.015 mm. Golden yellow to yellow color, and gave strongestlines of 9.50(90,1l0), 5.91(100,020), transparentto translucent,subadamantine to resinouslus- 3.l6(70,330), 3.05(50,5l0), 2.766(50,240), 2.682- ter,H : 34, D^.,: 4.15,D.r": 4.17g/cm3 with Z : (408,600),2.20(40,1 51,7 I 0), and 1.642(50B)A. 8. Weak yellowish green fluorescencein ultraviolet light. The new name is for Dr. Pier F. Z.anazziof the Uni- Optically biaxial negative,length slow, a: 1.669(almost versita delgi Studi di Perugia,who has studied the struc- colorless),P : 1.692 (light yellow), 7 : 1.710 (yellow), tural crystallographyof many minerals, including that of 2V.ur.: 83'. The infrared spectrum shows strong absorp- zanazzlite.The mineral occurswith colorlessquartz, rose tions from 3600-3200 cm ' (H,O and OH); absorptions quartz crystals,and eosphoritein pocketsin the Lavra da at 1085,1040, 990, 590, 540,and 260 cm-' and beyond Ilha pegmatitenear Taquaral, northeasternMinas Gerais, are attributed to POogroups, and a peak at 910 cm-'is Brazil. Type material is in the Smithsonian Institution, attributed to (UOr),*. The DTA curve shows major en- Washington, DC. dothermal peaks at 190 and 269 "C related to evolution Discussion.A microprobe analysisof Fe-dominant tri- of HrO. The X-ray powder pattern shows similarities to clinic "roscherite" also is given. The formula differs sub- that of phosphuranylite, and by analogy the symmetry is stantially from that given for roscherite in Fleischer's orthorhombic, space grotp C222,, a : 13.73(l), b : Glossary of Mineral Species(1987); as is noted by the 15.99(l), c : 17.33(2)A. Strongestlines of the diffrac- authors, details of the relationship of zanazzTiteto ros- tometer pattern (CuKa radiation) are 8.03(100,020), cherite are uncertain, and the roscherite-groupminerals s .90(40,022), 3.9 9 (9 0,040), 3.8I (40,223), 3.45 (40,2 40), require further study. The principal question seemsto be 3.t7 (70,025), 3.r0(7 0,42r), 2.886(60,006),2.449(40,245), "What exactly is roscherite?" J.L.J. 2.172(40), 1.903(40), and 1.547(40). The mineral is a secondaryproduct in an oxidized zone containing uraninite and uranothorite in an occurrenceat TongbiguanVillage, Yingiiang County, Yunnan Province, Znucalite* China. Associated minerals are studtite, calcurmolite, P. OndruS, F. Veselovski, R. Rybka (1990) Znucalite, tengchongite,and autunite. The new name is for the lo- Zn, r(U Or)Ca(CO3)3(OH)r,' 4H2O, a new mineral from cality. Type material is in the National Geological Mu- Pffbram, Czechoslovakia.Neues Jahrb. Mineral. Mon., seum [Beijing]. J.L.J. 393-400. The averagerange of 15 electron-microprobe analyses (H,O and CO, by thermal analyses)gave ZnO 56.75(56.25- (3.83-4.13), 17.42(17.18-17 Zanazziite* 57.00),CaO 4.06 UO3 .66), CO, 8.25(7.0-9.5), H,O 15.37(14.8-16.1), sum 101.85 (1990) P.B. Leavens,J.S. White, J.A. Nelen 7-anazziite,a wt0/0,corresponding ro Zn,,,r(UOr), orCa,,r(COr), ,r- new mineral from Minas Gerais, Brazil. Mineral. Rec- (OH),8r.3.57HrO. Occursas porous coatingsof saucer- ord,2l, 413417. shapedaggregates, up to l0 cm2, some consisting of thin Electron-microprobe analysis (Be determined by AAS plates averaging 15 x 8 x 0.4 rrm. Color white, light and HrO by CHN analyses)gave CaO 10.65,MgO I1.66, yellow, grayish yelloq translucent, silky luster, perfect FeO 9.63,MnO 1.77,SiOr 0.36, AlrO3 1.54,FerOr 0.76, {010} cleavage,yellow-green fluorescencein short- and BeO 9.81,P2Os39.27,H,O 13.32, sum 98.77wto/o (Fe2*: long-wave ultraviolet lighl readily soluble in acid, with Fe3*partitioned on the basis of titrimetric analysis);the evolutionof COr;D."u.: 3.01(3),D-r":3.09 g,/cm3with results correspond to (Ca, nrMnoor)", oo(M& u,F€o oo)", o,- Z : 4. Optically biaxial negative, a : 1.563(2), P : (Mgr rrFel$rMnor.Alo 'Fef,-f )*,oBeo(Pr rrBeoouSioou)rr rrOro- | .621(2),y : | .621(4),2V*n : = 0o,negative elongation, (O H ), o. 6 .6H 20, ideally Ca,Me2*Mel*Beo(PO.)u(OH)o' extinction inclined about 9o.TG analysisshows lossesof 6HrO where Me2* indicates Mg > Fe2*orMn2*. The min- 2.1 wto/obetween 20 and 150 "C (absorbedHrO), 16.05 eral occurs as pale to dark olive-green, compositionally wto/obetween 180 and 430 "C (HrO and OH), and 7.68 zoned, barrel-shapedcrystals and crystal rosettesup to 4 wto/obetween 450 and 960 "C (COr). The infrared spec- mm. Crystals typically show major { 100} and { I l0} with trum shows absorption bands typical of carbonate and {001} irregular and rounded; less commonly bladed, HrO. X-ray powder patterns show some variations in in- showingmajor{ 100},minor{l l0}, andirregular,rounded tensities,attributable to selectiveorientation ofthe plates. {001}. Streak white, luster vitreous to slightly pearly on Strongestlines of a Guinier{e Wolff pattern (CoKa ra- cleavagesurfaces, good {100} and distinct {010} cleav- diation) are 25.10(62,010),6.141(78,210), 5.650- ages,H : 5, nonfluorescent in ultraviolet light, D-""" : (54,20 1,220), 3. I 65 (7 0, | 43), 2.728 (9 0,28 t,t 82,253), JAMBOR AND PUZIEWICZ: NEW MINERAL NAMES 1733

2.708 ( I 00, I 82), 2.682(56,20 4), t . 5820(77 ), t. 5 600(62), PdrAs, was reportedpreviously inAm. Mineral.,75,l2l8- and 1.5561(67).Triclinic cell dimensionscalculated from r2r9, 1990.J.L.J. the powder pattern are a: 12.692(4),b : 25.096(6),c : 11.685(3)A, o : 89.08(2),P : 91.79(2),y : 90.37(3).. The new name is derived from the main constituents: Pb4o3(cl,s04)' Zn-U-Ca. The mineral occurswith gypsum, hydrozincite, R.C. Rouse,P.J. Dunn (1990) A new sulfateoxy- aragonite,sphalerite, , pyrite, and other minerals as chloride related to the nadorite group from Brilon, Ger- an oxidation product on uraninite-bearingdump material many. Neues Jahrb. Mineral. Mon., 337-342. from the Lill mine, which operatedin the secondhalf of The mineral occurs as pink, glassy blebs of l-2 mm the l9th century at Piibram, Central Bohemia, Czecho- and aggregatesintimately intergrown with mendipite part- slovakia. Type material is at the National Museum and ly altered to hydrocerussiteon a specimenfrom the Ku- at the Mineralogical Museum of the Faculty of Natural nibert mine near Brilon, Nordrhein-Westfalen,Germany. Sciencesof CharlesUniversity, both in Praha, and at The Electron-microprobeanalysis gave PbO 92.2,5O33.5, Cl Regional Museum, Piibram, Czechoslovakia.J.L.J. 5.6, O = Cl 1.3, sum 100.0 wto/0,corresponding to Pb4r3S044Oo64Cl,rr. Normalized to 4Pb, the formula is Pb4O,8[Clr u(SOo)o o]", oo, ideally Pb4O3(Cl,SO4)r.Optically possibly FeRhrSo,Pdr(Te,As), PdrRh.Asn biaxial, negative.Perfect {001} cleavage.Single- crystal X-ray study indicated monoclinic symmetry and Z. Johan,E. Slansky,M. Ohnenstetter(1991) Isoferro- a pronouncedpseudotetragonal subcell; A:3.945(3), B platinum nuggetsfrom (Fifield, Milverton N.S.W., Aus- : 3.933(5),C : l3.ll9(5) A, : 9l.ll(4)'as refinedfrom tralia): A contribution to the origin of PGE mineraliza- P the powder pattern (l l4-mm Gandolfi camera, CuKo ra- tion in Alaskan-type complexes.Compte Rendu Acad. Sci. Paris,Ser. II, 312,55-60. diation). True cell and spacegroup not known. The stron- gestlines ofthe powder pattern are 3.77(80,slightly broad, Platinum-group minerals (PGM) occur asnuggets about l0l,0l l,l0l), 2.952(100,103),2.897(100,013,103), 2 mm in sizein placersat Fifield, 380 km west-northwest 2.785( I 00,I t0), 1.743(40,121,21 t,t 2l), and 1.70I (40,- of Sydney,Australia. The nuggetsconsist of isoferroplat- 116,107,204,017).The pattern has similaritiesto that of inum with small inclusions of Os-Ir-Pt alloys, bowiete- synthetic Pb36OoCl,6eDF 21473). The type specimen kashinite, and unidentified minerals. is in the Smithsonian Institution, Washington,DC. J.L.J. FeRhrSo.Electron-microprobe analysis ofthe only grain found,about 20 pm across,gave Rh 42.60,41.95,Ir 10.44, 10.48,Pt 1.96,1.73,Pd 0.20,0.03,Fe 6.78,7.04, Cu 7.38, Se-bearingminerals 7.54,Co 0.10, 0. I 8,As -, 0.05,S 3 l. I 2, 14, 32. sum I 00.57, L.E. Gertsen,P.E. Kotelnikov, E.Ya. Eremeeva(1989) l0 I . I 9 wt0/0,corresponding to (Rh, 77Ir022Ph.o4Pq or):r e8- New find of selenium minerals in porphyry copper de- (Feo,oCuo orCoo o,)"o.rnSo o, and (Rh, uulro,rPto oo)", nr- posits of Kazakhstan. Izvestiya Akad. Nauk Kazak. SSR, (Feo'CuoorCooo,)r,ooSoor,ideally FeRhrSo,which is the Ser.Geol., 1989(3),4549 (in Russian). iron analogueof cuprorhodsite, CuRhrSo. Pdr(TerAs).Electron-microprobe analyses of subhedral, Mineral A elongategrains, 4-5 p,m long and associatedwith iridos- Microprobeanalysis gave Cu 17.7 l,Fe 15.20,Pb27 .31, mine,gave Pd71.42,71.80, Pt 2.58,2.43,Rh 1.08,0.85, Bi 11.84,490.27, Se 7.51,S 19.83,sum 99.67,corre- -, Ir 0.27,0.03,Os 0.01,0.10, Fe 0.08,0.01, Ni 0.09, Cu spondingto (Cuo,rFeo.rrPbo ,rBio orAgo o,)", or(So ,rSoo ,r)"o rr. 0.09,0.01, Te 16.28,16.30,As 6.63,6.47,Sb 0.47, 0.38, In reflected light, creamy white, weak pleochroism, an- S 0.02, -, sum 99.01, 98.37 wto/0,corresponding to isotropic effects in air reddish brown to bluish gray. In (Pd2e2Pto o6Rho or)", or(Teo ,uAso rnSbo,or)"o 9? and (pd, nu- immersion oil, brown to bluish gray. Reflectance(nm, Pt' 05Rh003)>3 .o(Teo ruAso rrSbo or)ro nu, ideally PdrTe. Close Rolo):450 31; 500 38; 550 40; 600 4l:'650 40; 700 38. in composition of keithconnite (Pdr_"Te) and analogous Hro : 290 kg/mm2. The mineral occurs as an aggregate, to atheneite(Pd,Hg)rAs. 6 x 20 pm, of crystals l-3 mm. PdrRh.Asn.Electron-microprobe analysesof platy, eu- hedral crystals,up to 30 pm long, gave Pd 38.01,37.12, Mineral B Rh 36.17,35.67,Pt2.22,2.28,Ir 0.17,0.36, Fe 0.07,-, Microprobe analysisgave Cu 7.33, Fe 20.67,Pb 7.15, Cu 0.13, 0.05, As 20.10,20.81, Te 2.38,2.45, Sb 0.75, Bi 21.34,Ag 9.13,Se 7.69,S 8.00,sum 81.30wto/o; the 0.74, sum 100.00, 100.49wt0/0, the averagecorresponding ratios are Fe/Ar/Bi/(Ag + Pb)/(S + Se): 3/l/l/l/3with to (Rh, ,rnPd,orrlro o,oPto_oroCuo oouCoo oorNio oor)- ,,r(As,_rnr- Ag/Pb: 2.48/l and S/Se: 2.3/l.ln reflectedlight, pleo- Teo,roSbooorSooor)"rorn,ideally (Pd,Rh)5,,(As,Te),or chroic from gray to dark gray in air, dark gray to brownish RhrPdrAso. gray in immersion oil (sections perpendicular to grain Discussion.A phase previously described as PdrTe in elongation).Anisotropic effectsin air bluish gray to bright the synthetic Pd-Te systemhas been shown to be PdroTe, yellow, in immersion oil dark gray to yellowish gray. Re- (Kim et al.,J. Less-CommonMaals, 162,61-74, 1990). lief higher than those of mineral A and Se-bearingbis- The simplified formula for (Pd,Rh)j_"(As,Te),is Pd,_rA.sr; muthinite. The mineral occurs as elongategrains, I x I t734 JAMBOR AND PUZIEWICZ: NEW MINERAL NAMES pm in diameter, that form a 24 pm rim around mineral Discussion.The triclinic and monoclinic modifications A. Both minerals occur in the Kenkuduk deposit, Ka- are new polymorphs of lazurite. J.P. zakhstan,USSR. J.P.

Hiigbomite-2r'R New Data K. Schmetzer,A. Berger (1990) Lamellar iron-free htig- bomite-24R from Tanzania. Neues Jahrb. Mineral. Berborite polytypes Mon.,40l-412. G. Giuseppetti,F.Mazzi, C. Tadini, A.O. Larsen,A. As- Lamellae of hiigbomite, 0.01 to 0.1 pm thick and ori- heim, G. Raade(1990) Berborite polytypes. Neues Jahrb. ented parallel to the {l I l} facesofthe spinel host, occur Mineral.Abh., 162, l0l-116. in gem-quality octahedralspinel crystalsfree of host rock Berborite, Ber(BOTXOH)'HrO, from nepheline syenite and thought to have beenderived from the Morogoro area pegmatitesin quarriesin larvikite in the Tvedalen district, of Tanzania. Energy-dispersionanalyses, calculated for : southern Oslo region, Norway, occurs as the 17|,27, and (MgO + AlrO3 + TiO,) 100wt0/0, revealed compositions 2Ilpolytypes, eachof which has a distinct X-ray powder- of two types,one with MgO 18.19,AlrO3 67.03,TiO2 diffraction pattern. Berborite-1Z has a : 4.434(l), c : 14.78wto/o and the other with MgO 23.31,AlrO3 69.56, patterns 5.334Q)A, spacegroup P3; berborite-2Thas a: 4.431(l), T iO 27 . | 3 wt0/0.Selected-area electron-diffraction with compositional types c : 10.663(3)A, spacegroup P3cl ; berborite-2t/has a : revealed no differences, both : :55.8 4.433(2),c : 10.638(5)A, spacegroup P6.. Structuresof givingunit cellsof a 5.7,c: 12 x 4.65 A. The the polytypeswere refined to R : 0.014,0.019, and 0.029, lamellae correspond to htigbomite-24R, the first natural respectively.The Be atoms and the O(2) apical O atoms occurrenceof this polytype. J.L.J. of Be tetrahedra are split into two nonequivalent sites, and HrO and OH atoms are ordered on separate Hotsonite O(2) positions.J.L.J. O.K. Ivanov, L.L. Shiryaeva, L.A. Khoroshilova, V.G. Petrisheva ( I 990) Hotsonite-Confirmation of discov- Dewindtite ery and new data (Blyavinskij mine, the Urals). Zapiskt Vses. Mineralog. Obshch., ll9(l), 12l-126 (in Rus- (1990) Chemical P. Piret, J. Piret-Meunier,M. Deliens sian). composition and crystal structure of dewindtite Pb3[H(IJOr)3O,(PO.),],' l2HrO. Eur. J. Mineral ., 2, 399 - One of three similar wet-chemical analysesdone at dif- 405 (in French, English abstract). ferentlaboratories gave SiO, 0. 16,TiO, 0.01, AlrO339.60, 0.89,PrOs 9.06, SO3 13.73, X-ray crystal-structural study (R : 0.063) of cotype Fe,Or0.l8, MgO 0.41,CaO I{2O- 4.28, insoluble residuum 0.33, sum dewindtite showedthe mineral to be orthorhombic, space IJ2O* 31.29, to Alr(POo)o'r(SOo)' groupB mmb, a : I 6.03I (6), b : 17.264(6), c : I 3.605(2) 99.94wto/o,corresponding o'(OH)'ooo' ideally AI'(PO.XSO"XOH)'0'8HrO rather than A, D.,": 5.12 g/cm3with Z : 4 for the ideal formula 7.4H2O, previouslyproposed Al,,(PO4)r(SOo)r(OH)r'' I 6HrO. J.P. cited in the title; the formula coresponds to 3PbO'6UO3' 2P2O5.l3HrO,requiring PbO 23.06,UO3 59.10P,O5 9.78, wto/0.J.L.J. H,O 8.06 Perlialite G. Artioli, A. fvick (1990) Synchrotron X-ray Rietveld Lrzlrlrlite study of perlialite, the natural counterpart of synthetic zeolite-L. Eur. J. Mineral., 2, 7 49-7 59. A.N. Saposhnikov (1990) Indexing of additional reflec- tions on the X-ray Debye diffraction patternsof lazurite Structural analysis of perlialite by synchrotron X-ray concerningthe study of modulation of its structure.Za- powder methods gave hexagonalsymmetry, spacegroup piski Vses.Mineralog. Obshch., ll9(l), ll0-l16 (in P6/mmm, a: 18.5432(4),c : 7.5310(3)A, composition Russian). KsTloAlr2Si2nOr2'2}H2O.The formula is new, but Tl is In lazurite from deposits in the southwestern Baikal consideredto have enteredthe largercavities ofthe zeolite region, USSR, three structural modifications of lazurite framework as a consequenceof the use of thallium mal- werefound: ( l) triclinic, a : 9.09l, b : 12.857,c : 25.719 onate during mineral separation.J.L.J. A, 0 : 'y : 9C,,space group Pl or PT, opticallybiaxial ": positive, strongly pleochroic from blue to pale blue or colorless,a : 1.503,6 : 1.510,t : 1.514(2) monoclinic, Phosphuranylite : : : : : : a 36.36,b c 51.40A, a 0 1 9},space group P. Piret, J. Piret-Meunier (1991) Compositon chimique P2,/b, opticallynegative, no pleochroism,? = P: 1.512- et structure crystalline de la phosphuranylite 1.514,a: l.5ll-1.513;(3) cubic,a:9.072 A, space Ca(UO,)[(UO,)j(OH),(POo) 2]2' | 2H 20.Eur. J. Mineral., groupP43n, optically isotropic, n: 1.498-1.512. 3, 69-77 (in French, English abstract). JAMBOR AND PUZIEWICZ: NEW MINERAL NAMES t735

X-ray structural study (R : 0.089) of phosphuranylite Greenland, a bearing mineral. Neues Jahrb. gave orthorhombic symmetry, space group Bmmb, a: Mineral Mon.,481492. 15.835(7),b: r7.324(6),c: 13.724(4)A, D*,.:4.58 g/cm3with Z:4. The grosscomposition is CaO.TUO,' Semi-quantitative laser-probe analysis indicated the 2P205.l4H,O,with U/P : 7/4.Theformula is new.J.L.J. presenceof about I wto/oBe in vinogradovite, and micro- probe analysis led to the proposed formula Na'Ti'O'- Vinogradovite (Si,06)o[(Si3Al)O,0],'[(H'O),(Na,K),]. Mineral X of J.G. Ronsbo,O.V. Petersen,E.S. Leonardsen (1990) Vi- Karup-Moller lAm. Mineral., 73, p. 445, 19881is vino- nogradovite from the Ilimaussaq alkaline complex, South gradovite. J.L.J.