A merican M ineralogist, Volume60, pages485489, 1975

NEW NAMES'T

Mrcnenl Futscnrn. G. Y. Cneo, ANDAKIRo KAro

Pt" Pto.,rPdoo.Tee 6, 3tld Pto 16Pdoq6Tes tu Brocenite and 6-Brocenite sponding to roPdoo2Teo ur, respectively,or ideally PtTer. The mineral dissolvesin warm aqua WlNc I-Hsien, WrNc Hsien-Chueh, WlNc Chung- Kuo Chi-Ti, regn. Hou Hung-Chuan (1973)Studies on mineralsof the Kang, lNo The mineral is hexagonal (by analogy to synthetic PtTez) with a 2, 86-92 (in Chinese)' fergusonite group. Ceochimica, = 4.041 and c : 5.220 A (calc). X-ray powder pattern is nearly of synthetic PtTe, and d values are significantly Analysis of brocenite gave CaO 1.26, MnO 0'03' FeO 0.95' identical to that those for moncheite (Am. Mineral' 4t, ll81)' TR,O. 46.88, UO, 0.03, uos 0.07, Tho, 8.01, sio, 0.03, Tio, smaller than the l7 lines are 2.896 l0 101, 2'086 9 102' 1'560t 103' 0.12, NbrO, 42.98, TazOu0.086, HrO- tr., HzO+ not determined, Strongest of isLa24.0,Ce42'7, and 1.0967 114. sum 100.45percent. Distribution of rareearths : Color silver gray, luster metallic. VHN (load not given) 142 Pr7.24, Nd 21.5, Sm 2.69, Eu 0.49, Gd 1.04' Dy 0'36 percent. observed' Bireflectance with fergusonite. Most kg/mm', Sp. gr. > 10. not The mineral is monoclinic, isomorphous = bright to grayish white. Reflectance(in oil) 5l'6 (green)' grains are metamict. Strongest X-ray lines (22 given) of material weak, 42.9 (orange), 42.1 (red). Distinctly anisotropic from pale grayish heated at l000oC for one hour are 3.24 10, 3.058 l0' 1.965 l0' l.9lO 8, 1.7068, | 677 8' l'608 8. Cell parameters calculated from powder daraarea : 5.lg,b = 11.34,c : 5.48 A. and0 : 84"57'. The mineral occurs as well formed crystals, frequently ter- minated with bipyramid. Color red to reddish brown, luster vitreous to greasy. SP. gr. : 5.34. No analysis was given for p-brocenite, the non-metamict Hg and Pd, and a telluride of Hg, Ag' and Pd. dquivalent of brocenite. The powder pattern of p-brocenite is The name is for the locality, on which no information is given' similar to that of brocenite with strongest lines 3.21 10, 3.07 l0' very low G.Y.C. I "963t, l.9l I 7, I .708 6, 1.6746, l.6l I 6. B-brocenite has content of radioactive elements. Both brocsnite and f-brocenite occur in a skarn deposit in Discussion China, associatedwith diopside, , Ce-apatite, Northern The mineral is evidently a bismuth-free variety of moncheite calcite, and topaz (?). (Am Mineral.4E, 1l8l) and the name chengboliteis unnecessary' M.F. Discussion Ferrihydrite* Brocenite is the cerium analog of fergusonite. The name is ap- V., B. B. Zvvecttl, A. I. Gonssxov' L' P' ER- parently derived from the Chinese name which literally means a Csurunov, F. MrLovA, nNn V. V. Bellssovl (1973) Ferrihydtite' Izuest' brown-cerium-niobium mineral. The name 0-brocenite is unneces- Nauk S.S.S.R. ln3, 23-33 (in Russian)' sary. It is most unfortunate that the type locality is not given. Akad. G.Y.C. The phase previously reported by Towe and Bradley (1967)' If the Levinson rule is followed (Am. Mineral' 5l' 152-158, Jackson and Keller (19?0), and Chukhrov et al (1971) has now 1966), brocenite should be called Beta-fergusonite-(Ce).M.F. been named ferrihydrite. Ten analyses are given, showing con- siderdBlevariation in composition (impurities in part)' The formula is break near l80o Chengbolite 5FezOr.9HrO.Drl curvesshow an endothermic and an exothermic break at 350-400'. The infra-red spectrum SuN Wei-Chun, Lt Chao-Lung, JrN Yao-Wu, CnlNc Ying-Chen, shows bandsdue to molecularwater at about 3450and 1620cm-'; CseNc Wan-Lu, Yunr Wen-Hsi, AND LI Wan Tang (1973) no bands of hydroxyl were noted. The water is lost continuously up Chengbolite-a platinum group mineral in Precambrian to 450". The mineral was synthesized by slow hydrolysis of ferric eclogite. Acta Geol. Sinica, 1,89-93 (in Chinese). salts at pH above 3 and below 9'5. The presenceof bacteria greatly increasesthe Yield. Probe analysesgave Pt 39.4, 37.0; Pd 2.2,3.96; Te 66.3, 68.0; X-ray study shows strongest lines 2.50-2'54 (vs) /10' 2'21-2'28 sum 107.9,108.96 percent; and wet microchemicalanalysis gave Pt - (s) tt2,1.96-r.98 (s) 11-1,l'70-1.725 (w s)tt4' 1.47-148 (m to Pd 3.26,Te 58.16,Bi not found, sum 97.28percent, corre- 35.86, vs) 300. Electron diffraction study gives a hexagonal cell with a 5.08, c 9.4 A. The structure has been worked out; it contains * marked with an asterisk after the name were ap- FeO"-octahedra. ochers to dark brown proved before publication by the Commission on New Minerals The mineral occurs as yellow-brown and Bradley)' and Mineral Names of the International Mineralogical Associa- masses.G 3.96 (synthetic, Towe and hot springs,especially those tlon. The mineral occurs in both cotd 485 486 NEW MINERAL NAMES

in which iron bacteria (Galtionelta, Leptolhrix, or Toxothrix) are Color grayish-white.Distinctly anisotropicwith color greenish- present and brownish-grayunder crossednicols. Cleavage {100} excellent. The name is for the composition. M,F. Reflectances(max., min): 480 nm, 33.7,29.8;540nm, 33.2,290; References 600 nm, 329, 28.6:640nm, 32 5,28 I percent. The name is for the Incas,first recordedminers ofAg-Sn oresof CHuxnnov, F. Y ., (197 et al l) Izuest Akad. Nauk SSSR, Ser.Geol. the area Type material is in the Redpath Museum, McGill No l. University, Montreal. M.F. JecxsoN, T. A , nNn W. D. KeLr-sR.(1970) Am J Sci 269, No. 5 Tows, K M., rNo W. F. Bneolry (1967)J. Colloid Inrerface Sci. 24, No. 3. Khademite Prennr BentnND,JEAN-PAUL BrnrHrloN, FAstgNCrsnnoN. eNo MrNoucHen (1973) Graemite* Seonzeors Un nouveau sulfate hydrate d'aluminum: la khademite de Saghand(lran). C. R. S. A Wrr-lrnvs, ANDPHrLLrp MArrER, III (1975)Graemite, a new Acad. Sci. Paris,277D. 1585-1588 Bisbee mineral. Mineral Rec. 6, 32-34. Analysisgave Al,O3 21.6(wet chem SO,35.2,HrO 41.7(Tce Microchemical analysesby M. Duggan gave TeO2 60.9, 61.4, ), on 3.5 mg), sum 98.5 percent, corresponding to AlrOr.2.08 6l .4 av 6l .2; CuO 3 I .0, 3 I 9, 30.0,av. 3 L0; H,O (penfieldmerhod) SOo l0.9 HrO, or AI(SO4)(OH).5HrO. Specrrographic 7.0,9.5, av. 8.2, sum 100.4percent, corresponding to CuTeOr.H,O. analysis showed Fe 0.1, Si 0.05, Na 0.02, Mg 0.01, Ti 0.005, per- Spectrographicanalysis showed a trace of Ag. Microchemicaltests Cu 0.002 cent. The Dre curve on 3.8 mg showeda large endothermic for were positive, for tellurate, halides, and sulfate effect at 178" (loss of H,O), another smaller one at 678o (loss negative The mineral is insolublein water, easilysoluble in cold of SOr), and a large one at 8030 (loss of remaining SOs).A Tcl dilute acidsor 407oKOH. When heated,it decrepitatesand fuses curve is glven easily to a gray blebly slag. Precessiondata show the mineral to be orthorhombic. soace The mineral occursas crystalsup to 8 mm long showing forms a groupPcab, a ll.l78,b | 3.055,c 10.887(all * 0.004)A, Z = 8.-The {100}, b {010}, c {001}, and d l02tl. Rotation and Weissenberg strongestX-ray lines (63 given) arc 4.247 100 220,4 photographsshow the mineral to be orthorhombic, spacegroup 17911 022, 3.90152 202,2.7305924 /. Crystalsshow the forms (010)and (001) probably Pcmm,a 6.805+ 0.006,b 25.613+ 0.015,c 5.780* 0.006 : (dominant),also (ll0), (lll), and (313). A, Z tO,C calc4.24, meas 4.13 t 0.09.The strongesrX-ray lines The mineral is colorless,no cleavageobserved. (28 given) are 12.8035 020, 6.395l0 U0, 3.434I 06t, 2 8734 012, G 1.925.Optical- 2.5s85 0.t00, 09r,2.343 4 0.10.1 ly biaxial, negative,ns a 1.44(calc), B | .460,I | .497, 2V 6g+1", Z=a, Y:b, dispersionnot given. lt was found at The mineral is blue-green,near jade green. H 3-3 5, brittle. Saghand,lran, associated with copiapite, butlerite, parabutlerite, jarosite, Cleavage {010} good, parting {100}. Not fluorescent.Optically amarantite,and alunogen.The name is for N. Khadem, Director. biaxial,pos., ns (Na) a1.920 + 0.003,pt.960 +0.003..v2.20 +220 Geological Survsy 6; Iran. M.F. + 0.005,2V + 48.5., dispersionnot observed,pleochroic with X yellowish-green,I, and Z blue-green,absorption y > Z = X. The mineral, collectedin 1959from the 1200ft. levelof the Cole Kinoshitalitex shaft, Bisbee, Arizona, occurs replacing teineite crystals embedded M. YosHrr,K. Mesnl, T. KAro, T. WeuNnrr, S. Yur, A. Klro, in . is associated A second occurrence is from a eNn K. NlclsHlrue (1973)Kinoshitalite, a new mineral from the prospect in the Dome Rock Mts., Yuma Co., Arizona, where the Noda-Tamagawa mine, Iwate Prefecturc. Chigaku Kenkyu mineral occurs replacingteineite, in cavitiesin samplescontaining (Geosci Mag.),24, l8l-190 (in Japanese). chalcocite,corroded , weissite,brochantite, malachite, and goethite. Chemical analysisby K. Maeda and K Nagashima gave SiO, 24.58,TiOr 0. 16,Al,Os 22.06,Fe2O" 0.71, MnrO, 3.24, FeO 0.04, The name is for Richard Graeme, geologist, phelps Dodge MnO 738, MgO 16.60,CaO 005, BaO 1785, Na,O 0.68, K,O Corp , who found the mineral.Type materialis at the Universityof 3.30,F 0.21,H2O+ 2.90, H,O- (O=F,)-0.09, Arizona, Tucson. M.F. 0.20, total 99.87per- cent, corresponding to (Baorr.Ko 3rrNao,roCao q.r), our(Mg, ou, Mn2+o Incaite* rrrAlorrrMns+6 2q6Fe3+e eq6Tio oroFe,+o oor), o?{(Si2 0624lr eG)4 ooo O1oooo(OH)r u,uFo orrOo ,ro], ooo on the basisof (O + OH + F) = 12. Eutl Mlrovrcrv (1974)Mineralogical data on cylindrite and in- This is the Mg analog of anandite. catte. Neues Jahrb Mineral. Monatsh. 6, 235-256. X-ray single crystal studies show it to be monoclinic, space Incaite and stanniteoccur as very fine lamellae,replacing cylin- group C2/m, a s345(3), b 9.250(4), c 10.256(8)A, p 99.99(6)", drite, in samples from Poopo, Bolivia Five electron microprobe Z:2.2Mr polytypeis also found. The strongestlines (17 given) are analysesgave S 22.99-23.49,av. 23.20;pb 36.05-37.09,av. 36-53; t0 | 45001 , 5.05 50 002,3 37 100 003, 3.16 5 013,t 12,2.935 u-3, Ag 1.83-2.24,av. 2.15; Sn 22.14-23.j1,av.23.09; Sb t2.01-13.29, 2.72 4 t 22,02 3, 2.s2 55 004, 2.020 55 005, t.684 l5 006,t.s46 4 060. av. 12.7O;Fe 2.28-2.41,av.2.35 percent;corresponding to a cell The structure analysisis under way. content of Pbsu,AgsSn35eSbrorFeT"Srrro,or nearly (pb,Ag)3"Feo, It is yellow brown in color, semi-transparent.Luster vitreous. Snn rSb.3Sr,2,or FePboSnnSbrS* Cleavage {001} perfect. Hardness(Mohs)272-3. Specific gravily X-ray data show that the structure is composed of two types of 3 3O(meas),3.33(calc) Optically biaxial negarive2V:23.,a 1.619, alternating layers, one pseudotetragonal with a 86.23,b 5.j9, c P | 633,r 1.635,7-a:0.016; axial colorsX very light yellow, )/ and 34.98 p A, a 90" , 90.28' , 1 90o; and one pseudohexagonal, a 25g.7, Z light yellow; absorption X <- Y x Z. b 3.66,c 69.35A., a 90", A 90.28",190o. The strongesrX-ray lines It is found as small scalesless than I mm acrossin hausmannrte- (16 given)(indexing of tetrag.and hex.components, resp ) are 4.3| tephroite ore from South No I stope, l2th level of Misago ore (m) 400,400; 3.43 (m-s) 317, Z; 2.862 (vs) 600, 020, r 20; 600; 2.029 body of Noda-Tamagawa mine, Iwate Prefecture. jn (s) Also found t22,a. association with celsian, qvarlz, spessartine, rhodonite, 48'l NEW MINERAL NAMES

Zapiski Vses. Mineral Obshch 103. 571-575(in , and at 6th level of the same ore body. The mineral. material from the latter locality contains more iron. Russian). The name is for Dr. Kameki Kinoshita (1896-1974)'an eminent Analysisof a yellowishsample by M.E'K. gaveSiO, 40'94,P2Os investigator of ore deposits in . Type material is deposited at g.62,TiO,4.08, Nb,Ou 1.88,Al,O3 0.94, FerOa0'64' MgO l'02' the Departmentof Geology, National ScienceMuseum, Shinjuku' MnO 0.20, CaO 0.56, ThO, 1.32,RE,Os, 16.79,NazO 9'81, K,O Tokyo A.K. 1.88, HrO+ 8.96, HrO- 0.37, sum 99.01 percent' Flame photometric analysisof a bluish sampleby E. A' Fabrikova gave Note per- Sr 4.15 percent. Spectrographic study showed Sr and Ba 0'n A subsequent occurrence is also reported from Hokkejino' cent, alio traces of Be, Pb, Ga, Cu, Zr' X-ray spectrographic Kyoto Prefecture(S. Matsubara, A. Kato, K. Nagashimaand G. analysisof the rare earthsshowed La 46.'l, Ce 5l '2, Pr 5'2' N d 6'6 Matsuo, Abstr. Autumn Meet. Jap. Assoc. Petol Mineral. Econ. percent. The Drn curve showed 2 endothermic effectsat l80o and Japan, at The infrared ab- Geol., Mineral. Soc. Japan, and Soc. Mining Geol. iOo' llos of HrO). The mineral sintersat 8?0". Yamaguchi,p.26,1974). Chemicalanalysis by K, Nagashimagave sorption curve indicates the presence of Si- and P-complexes, SiO, 26.9f, Al2Os17.74, TiO,0.53, Fe,O,0.49, MnO 4.73, MgO water, and probablY hYdroxYl' 20.90,CaO 0.83, BaO 22.53, SrO 0.02, NazO 0.05' K,O 2.35' F The analysis leads to the formula (Na'K,Ca)'"(Ce'Th)n 2.84,HzO+ 1.33,-O : F21.20,total 100.05percent; spacegroup (Ti,Mg,Al,Nb){(P,Si)",OEE'20H,O(Z = 1), or Na.CeTiPSi" : Cm or C2/ m, a 5.344(2),b 9.2W(2), c I 0. I 5(2)A' A to0.2"' Z 2; or,.5HrO (Z : 4). = colorlessin thin section, (-)2V very small, a 1.615(2)'0 I Single crystals suitable for study could not be found' Electron 1.630(2). Associated minerals are tephroite, rhodonite, celsian, diffraction data showed the mineral to be orthorhombic, diffrac- = rhodochrosite, and rarely huebnerite, and sonolite. A.K. tion group Pmmm, a 7.27, b 14.38' c 22'25 A' a"b"c 0.5056:l:1.5473. The strongest lines of the X-ray pattern (Fe g0 132,3.3490212,32510 132'203' 140'3'01 Koashvite* radiation)are 3.78 fi 206,r.894 50 344, 1.78070 2.3 I0' Yu. L KlpusrlN, Z. V. Puoovxtne, A. V. Bvxovh, AND G, V. 70204.2.8290 232,2.60 formsradiating-fibrous deposits up to 0'5-l cmand LvusoNrttovn (1974) Koashvite, a new mineral. Zapiski Vses. Themineral fan-shaped platy aggregates;the plates about 0'01 mm thick are Mineral. Obshch. 103. 559-566 (in Russian). flattened on the c axis. Under the electron microscopy they are seen V. L' gave,resp., SiOr 50.00'51.00; Analysesby A.V.B. and G. to consistof prismatic individuals.Color light gray to yellowish' tr., none; FezOg445,5 42; FeO TiOr4.45,5.07; NbzOu0.40; AlrO, rarely bluish, colorless in section. Luster vitreous to greasy H 2-3' CaO 7.33, 6.00; Na,O 0.78, -; MgO 0.34, tr.; MnO 4.35, 4'20; splintery.Optically biaxial, negative,rs a 1'568,B l '584' 2.27' sum 100.28'99.94 -28'. be 27.00,25.60; K,O, 0.08, 0.38; HzO 1.10, "y 1.585,2V calc= Direct determinationof 2Il could not (- I ppm) of V' Be' percent. Spectrographic analysis showed traces made. G 2.83. yield formulas: Ba; absent rare earths, P, Zr. These analyses The mineral occurs in the natrolite zone of the Jubilee pegmatlte' Mt. Karnasurt, Lovozero massif, Kola Peninsula' associatedwith ( l) (NaznerKo ou) (Ca" ,zMnr."uFd*o ,rMgo ,.) belovite, nordite, serandite, thermonatrite, steenstruprne' (Tir.rrFet+ro"Nbo o")Si2s ?,O7r 67' | 74 HrO, and leucosphenite,, ilmajokite, raite, and zorite' the (2) (Nar, 2.)(Car-o'Mnt.ur) The- name is for the locality. Type material is at ".Ko (Tir Si2r,"O", 64. 3.59 HrO Mineralogical Museum, Acad' Sci. USSR, and at I'M G'R'E ' "rFe$+r"s) both in Moscow M.F. These may be simplified to Na.(Ca,Mn)(Ti,Fe)SiuO" or Na"(Ca,MnXTi,Fe)SiuOre.HrO (Z : 4), or possibly Na. Nyerereite* and Natrofairchildite Ca,TiSirOzo Q = 3). A structure determination is being made. endothermic effect at 200-300' The Drl curve shows a small N yerereile* at 900-920'. (loss of water). The mineral fuses at a white enamel Cs,tnles MIr-roN (196S) The "natro-carbonatite" lava of Laue and oscillation diagrams showed koashvite to be ortho- Oldionyo Lengai, Tanzaria (abst.). Geol' Soc' Am' Program' rhombic, Pbam or Pba2, a'1 .356 + 0.03, , 20.950 Annu. Meet 1968, P 202. + 0.006, c 10.194 + 0.002 A, G calc 3.069, meas 2.98-3 02. The gives only the name and the composition strongest X-ray lines (96 given) are 3.66 50 2ffi,042, 150' 3.28 50 This abstract not been listed previous- 22r . t42.230, 2.620 40 080, 2.58r lffi 242, 1.82070 084, | .50450 Na,Ca(CO.),, with no further data. It had would be published' ln 480.3.t1.0, t.13.2, r.4't6 40 2.13.0, 424, 285, t.294 40. ly here in the hope that a full description publication of the name natrofairchildite for a mineral The mineral occurs as veinlets replacing lomonosovite in alkalic view of the and of the appearance of the name pegmatite on the eastern slope of Mt. Koashva, Khibina massif, of the same composition in the literatuie (Strunz, Mineral' Tabellen,5th Ed', p' Kola Peninsula. It is associated with pectolite, villiaumite, and nyerereite Can' M in eral 12, 426' 1974)' despite natrophosphate. It is pale yellow, transparent, luster vitreous' H 240, 1970; Cooper an d Gi ttins, that it was approved by the IMA Commission in October 680-740 kglsq mm (20 g load) = 6 Mohs. Fracture conchoidal, no the iact giving the data as submitted in 1963' cleavage.Optically biaxial, neg., ru a 1.637,P l'643' 7 1.6482V 1963, I am here 83o.r)u,weak. The name is for the locality. Type material is in the Mineralogical Museum, Acad. Sci. U.S.S.R., Moscow M.F.

Laplandite* COs, or nearly CaCOr' 1.2 NarCOe. strongest lines 6.38 (vs) 002,4'383 (vs) 400' E. M. Esrovl, E. I. SrurNov, A. P. KsotvtvAKov, M. E. X-ray study showed (vvs) 2.582 (s) 404,2'533 (vs) 005' 2'070 KAzAKovA, AND O. V. StoonrNro (1974) Laplandite, a new 3. 185 (ms) 004, 3.046 60^f, 488 NEW MINERAL NAMES

(vs)/ /6. Syntheticmaterial is hexagonal, a 20.3,c I 2.04 A (Strunz). given)for Khibinamaterial are'1 .M 55 020,6.92 50 001,3.51 4l The mineral forms platy colorless crystals up to 0.5 mm across. 311,2.74 100 340, 2.56653 040. The Lovozeromaterial gives a Optically uniaxial, negative, nO 1.504, nE 1.49, G 2.41. The similarpattern. mineral is stablein air It occursas a major constituentof the so_ Colorless,pale rose,to brownish-rose,luster vitreous. The called "carbonate lava" at Mt. Oldoinyo Lengai, northern Tan_ Lovozeromaterial is in columnarcrystals up to 5 X I mm, the zanta. Khibinaas colorless to palerose accumulations of irregularform. The name is for president Julius Nyerere, of Tanzanra. Forms shownare {ll0} (predominant),also {100},{010}, {001}. Cleavageperfect on {100},imperfect on {010}and {l l0} C 2.62(K) Natrofairchildite 3.00(L). Opticallybiaxial, neg., ns a 1.567, P 1.569,7I .570(K); a Yu. L. KrpusrrN (1971) Mineralogy of carbonatites. Izdat. 1.570,P1.572, 11.573 (L), -2V:68",70',X : b,Y = c,Z = a. "Nauka", Moscow, p. l8l-183 (in Russian). H 3.5 (207-340kglsq mm) Analysis of natrofairchilditeby A. V. Bykova and L. I. Baum The mineraloccurs in alkalicpegmatites on the easternslope of Mt. Koashva,Khibina, gave CaO 25.61,SrO 0 85, BaO 0.44, Na,O 29.46,K,O 1.35,CO, fillinginterstices between large crystals of 41.93,sum 99.64percent, corresponding to (Na,K)rroCaom(CO,)r, anorthoclase,associated with nepheline,aegirine, lomonosovite, and barianlamprophyllite. the Na analog of fairchildite, KzCa(COrL. Spectrographic analysis lt occursin ussingiteveinlets cutting showed small amounts of Mg, Fe, Mn, La, and y. alkalicrocks at Mt. Karnasurt,Lovozero, associated with belovite, nordite, neptunite, vuonnemite. The X-ray pattern is very closeto that of fairchildite(which is and All the associationsare hexagonal).The strongestof 25 lines are 6.71 6,3.19 10,2.67 4, characteristicallyhigh in alkalies,volatiles, and rare elements. 2.649,2.20 6, 2.105, l.g9l 6. The nameis for the principalcomponents. Type materialis at The mineral is white, luster vitreous, H 2.5, one percent cleavage theMineralogical Museum, Acad. Sci. USSR, and at I.M.G.R.E., (basal?).Optically uniaxial, neg., nO 1.525,nE 1.459;somdtiines both in Moscow.M.F. slightly biaxial. Under the microscopeshows polysynthetictwin- ning parallelto the cleavage.Luminesces slightly in orangein U.V. Strelkinite* light M. A. ALEKsErvn,A. A. CsrnNrrov, D. P. SHesHKrN,E. A. The mineral occurs as singleplaty crystals(l-2 mm), not show- KoN'xovn, ANDI. N. Glvnrrove (1974)Strelkinite, a new ing faces,or as fan-shapedaggregates in burbankite-calcjte veins of uranyl vanadate.Zapiski Vses.Mineral. Obshch.103.576-580 the Vuoriyarvi massif, Kola Peninsula.The mineral decomposes (in Russian). readily at the surface and is replaced by powdery calcite. It was Analysesby M.A.A., E.Ya. Slezkova, and N. N. Kuznersovaon found only at depths of 70 meters or greater. 100mg samplesgave, resp., UOs 46.93,61.48,56.95; VrOb 16.03, Discussion 2f .30, 18.50;Na,O 3.25,8.35, 6.20; K,O _, _,0.20; CaO0 55, O.40,1.44: SiO, 8.55, -, 4.40;Fe,O, 9.13, _, _; AlzOs5 6t, _, It is regrettable that the name natrofairchildite was published 0.22,H,O* 7.91, 8.12, -; losson ign.-, _, 12.50(=HzO 10.27, without having beensubmitted to the IMA Commission.It is also CO, 1.15,reduction of U and V 1.08percent), sum 99.51,99.65, regrettable that the description of nyerereite has not been pub- 100.41percent. Sample l containedcalcite, , , lished in full after so many years. The name nyerereite has limonite; Sample 2, calcite; Sample 3, calcite, quartz, and priority, but the data given are not sufficient to Dermit a decision hydromica.Spectrographic analysis showed also Ni, Co, Ti, y, Cr, as to whether they are the same mineral. M.F. Mo, Cu, and Pb about0.01 percent, As andY about0.001 percent, and in somesamples Tl 0.I percent.Heating sample 2 showedloss Phosinaite* of weight2.97 percent to 150o,3.54 to 250.,5.47 to 3C0",7.12to Yu. L. KepusrrN, A. P. Kuorrlvexov, E. I. SeunNov, E. M. 40o',1.47to 500o,7.69 to 700",8.12percent to 1000",the mineral Es'xovl, A. V. ByrovA, AND Z. V. puoovKrNA (1974) changingfrom yellowto greento brown to black.After deducting Phosinaite, a new rare-earth mineral. Zapiski Vses. Mineral. the indicatedimpurities, the formula Obshch.103, 567-570 (in Russian). is NadUOr)r(VO4),.6HrO, i.e., the Na analogof carnotite. Analyses by A.M.B. from Khibina (first and second) and Laue, oscillation,and Weissenbergphotographs showed the (third) Lovozero gave PrOu21.30, 21.60,20.50; SiOz 18.30,l8 gl. mineralto be orthorhombic,space group Pnmm or pnm2,a 10.64, 23.78;FezOa _, _, 0.49; MnO tr., _, 1.90;TRrOs 13.44,13.00, b 8.36,c 32J2, (all + 0.02)A, Z = 8, G calc4.22, meas (corrected 13.80;CaO 12.20,12.00,5.39; Na,O 28.10,28.00, 28.78:K,O 0.74, for impurities)4.0-4.2.The strongest X-ray lines (17 given) are 8.l8 0.70, 0.47; Li,O -, _, 0.24:'H,O 6.07, 5.67, 4.41; sum 100.15, 4 0a, 7.68 r0 t 03, 4.086 008,3.9 5 I I 20, 3.20S 3 I 2. 2.00.14 r .0.I 0. 99.18,99.76 percent. The first two lead to the formula H,Nar(Ca, Color -yellowand canary-yellow,luster silky to pearly Ce)(SiO.XPO.) or (Na, orKoor)(Cao .,Ceo 27)Sio ,?po e.O? z? .0.80H2O. Cleavageperfect perpendicular to {001}.G 3.7to 3.91,H2-2.S.Op- The rare earths of the Khibina and Lovozero samplescontained ticallybiaxial neg.,ns a 1.770-1.674,B 1.907-1.855,7 1.915-l 880, respectivelyby spectrographic analysis La 16.8,Ce 53.9, pr 4.4, Nd 2V medium, on basalsection weak from pale yellow y 19.5,Sm 3.0,Eu 0.5,cd 0.7,Tb 0.3, Er 0.3, 0.6 percent.The Dre on Z toyellow on )/. Birefringence0.143.Z : a, Y = b, X = c. curve shows an endothermic break at 250" (loss of water); the Luminescesweakly in U,V. light in dirty green. Lovozero mineral also shows one at 600o. The mineral fuses at The mineralwas first found in Paleozoiccarbonaceous-siliceous about 860o. It dissolves slowly in concentrated acids. Spec- shales"in oneof the desertregions of the U.S.S.R."It waslater pb, trographic analysisshowed tracesof Sn, Ca, Al. Cu. The in- found repeatedlyin Devonianeffusive rocks "in other regionsof frared spectrum is given. thearid zoneof the U.S.S.R."It formsfine powdery crusts along Single crystal study showed phosinaite to be orthorhombic, fracturesin the country rocks, associatedwith iron hydroxides, spacegroup P22,2 or 22,2,,a 12.23,b 14.62,c 7.2t A (Khibina); clay mineials,quartz, and calcite.Sometimes occurs in platesof a 12.24, b 14.59, c 7.20 A (Lovozero). The strongest lines (37 nearlyisometric form, not exceeding1.5 mm in length. NEW MINERAL NAMES 489

The name is for ProfessorM. F. Strelkin (1905-1965),Russian Zirsinalite, a new mineral Zapiski Vses Mineral. Obshch l03, mineralogist, student of U ores. Type material is in the 551-558(in Russian). Mineralogical Museum, Acad. Sci. USSR, Moscow. M.F. Analysesby A.V.B. gaveSiO, 52.10,5200; TiO,0.40,0'56;ZrO2 Telargpalite* 12.84, 12.84:Al, Fe,O,, TrrO,, K,O, Cl not found; FeO 0'40, 0 80; V A. KovllrNrrn, A. D. GsNrrN, T. L. Evsrtcrnrve, lNo I. P. MnO 2 62, 2.60: CaO 4 80, 4.75; Na'O 26.00, 25.67; H,O LnpunNl (1974)Telargpalite, a new mineralof palladium,silver 0 90, 0.80; sum 100.06,100.02 percent. Spectrographicanalysis and , from the -nickel ores of the Oktyabr showed HfO, 0.42 percent,traces of Sr, Y, Be, K, Zn, Ba These deposit. Zapiski Vses. Mineral. Obshch. 103, 595-600 (in correspond to Nau(Ca,Mn,Fe)ZrSiuO". The mineral is slowly Russian). decomposedin cold dilute acids,but readily decomposedat 60-80' with of gelatinoussilica. Microprobe analyses of 9 samples gave Pd 38.9-40.5,Ag 28 2- by l0 percent HCI or HrSOn, separation ground materialloses l.7l per- 31.2,Pb 2.3-8.5,Bi 2.1-8.3,Te 19.6-21.O,Se none to 0 6, sum98 5- Slowly leachedby cold water;hnely percent a week;the residuegives 101.8percent. The formula may be calculatedin severalways: (l) cent Na in a few hours, 2.91 Na in water leaches3.0 per- (Pd,Ag),"(Pb,Bi)(Te,Se).;(2) (Pd,Ag)'*,(Te,Pb,Bi,Se)(Z= 4), (3) the sameX-ray pattern as the original. Hot (Pd,Ag,Pb,Bi).*,(Te,Se),or approx. (Pd,Ag),*,Te. Decision will cent Na in I hour. Dr,r and Tc curvesshow a small endothermal weight of I percent. have to wait on precisestructural study. break at 300oC,corresponding with a loss of bead. X-ray study shows the mineral to be cubic, with co = 12.60 + Melts at about 1000' to a white enamel spacegroup R3rn, 0.024. The strongestX-ray lines (23 given) are 3.054 4t0,2.74 3 X-ray study shows the mineral to be trigonal, 421,2.42r0 333,2.10 5 600,r.475 3 661. R-3m,or R32, hexagonal cell a 10.29,c l3.ll * 004 A; rhom- The strongestX-ray In reflected light in air and oil, the color is light gray with a lilac bohedral cell, a.n 7.38 + 0.01 A, a 88'28'. 9 0224,2.569I 2240, I 842 l0 tint. Isotropic.Reflectances: 460 nm, 45.3;540, 50. l; 580,5 I .7;660, lines(85 given)are 3 26 6 2 13],,2637 (Feradiation) = calc 3.08, meas 2.90 55 6 percent.Hardness 46 to 84, av.62 kg/sq mm (10 g load) 4044 Z 3, G or irregular depositsup to I x The mineral occurs as rounded, often elongated grains 5-200 The mineral occurs as rounded to yellowish-gray,luster microns in size in chalcopyrite,rarely in bornite and millerite of 1.5 cm. Colorless,transparent, slightly no cleavage H copper-nickel ores of the Oktyabr deposit, Noril'sk region, vitreous Fracture granular or small conchoidal, 2'88-2.92.Optically uni- U.S.S.R. It forms intergrowths with kotulskite, with unnamed 5 5r microhardness640-720 kglsq mm, C minerals of composition (Pd,Ag)e(Ag,Pb)(Te,Se)and Pd,(As,Te), axial,negative, nO 1.610,nE 1.605. core on the eastern also native Ag, braggite, clausthalite, and unnamed mineral The mineral occursat 180m depth in a drill Peninsula.It occurs PdPb(S,Se). slope of Mt Koashva, Khibina massif,Kola rocks, associated with The name is for the main components. Type material is at the in pegmatitic veinlets cutting alkalic lamprophyllite. It is replaced Mineralogical Museum, Acad. Sci. U.S.S.R., and at I.G.E.M., aegirine,lomonosovite, and barian is rapidly corrodedin both in Moscow. M.F. by lovozeriteand by eudialyte The mineral air with the formation of a powdery coating of sodium carbonate Zirsinalite* The name is for the composition Type material is preserved at Yu. L. KepusrrN, Z. V. PuoovrrNn, AND A. V. Bvrove (1974) the MineralogicalMuseum, Academy of Sciences,Moscow. M.F.

NEW DATA

Freibergite 0.6, Sb 25l, As 0 5, S 21 8, sum 1005 percent,corresponding to the J. F. Rrt-sv (1974) The -freibergite series, with formula (Agu ,rCu, ,rFe, nrZnorr)(Sb, ,rAso ra)Sr. oo, d 10.47 A referenceto the Mount Isa Pb-Zn-Ag orebody Mineral Dep.9, Other partial microprobe analysesshowed up to 42 5 Ag' The unit I t7-t24. cell sizefirst increaseswith increasingAg to a maximum of 10.560 A at about 20-22 percent.Ag, then decreasesagain. Freibergite has generally been considered to be an argentian The data verify those of Petruk et al (Can Mineral.ll, 196-231, tetrahedrite, (Cu, Ag, Zn, Fe)'dSb, As).S13.In this paper, l97l), who found up to 35.6percent Agin samplesfrom Ontario (3 microprobe analysesand unit cell determinations are given of 2l with Ag > Cu) samples from Mt. Isa, Australia, 9 of which have Ag ) Cu. The Freibergite is therefore not a variety, but a species of the completeanalysis with highestAg had Ag 36.0,Cu 12.4,Fe4.l,Zn tetrahedritegroup, with Ag > Cu. M.F.

DISCREDITEDMINERALS

Brostenite= mixture by Butureanu (1917; Dana's System, 7th ed., vol. I, p. 569) EI-sN,rA. Prnsetl(1973) Precisions mineralogiques sur la nature showed that they consisted of cores of rhodochrosite, associated des"brostenites." C. R Acad. Sci.Paris,217D. 2113-2115. with tephroite and friedelite, and alteration products consisting birnessite.M.F. X-rayand infrared examination of samplesof brostenitestudied of todorokite and