New Mineral Names*
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American Mineralogist, Volume 68, pages 471400, 1983 NEW MINERAL NAMES* PBIB J. DUNN, MrcHnBr- Fluscnen, RocBn G. BunNs AND ADoLF Pessr Calciotantite* hardnessapproximately 2; D meas.3.35, D calc.3.34. Claraite is optically negative, is weakly biaxial, and has indices of A. V. Voloshin,Ya. A. Pakhomovskii,and F. M. Tysheva(1982) refractione = 1.645and r,r: 1.751(10.002). Claraite is associat- Calciotantite, CaTtuOrr, a new mineral from granitic pegma- ed with malachite. azurite. and olivenite at the Clara Mine in the tites of the Kola Peninsula. Mineralog. Zhurnal, 4,75-:79 (in Black Forest. The name is for the locality. Type material is Russian). preserved at the University of Stuttgart and the Smithsonian Microprobeanalysis gave Ta2O5 91.09, NbrO5 2.E4, CaO 6.05, Institution. This mineral was originally describedin 1975as an Na2O 0.05, sum 100.037o,corresponding to (CaoseNao or) unknown(Der Aufschluss,26, 369-41l; Am. Mineral., 62, 175). (Tas80 Nb. 2s).O11or CaTaaOl1. P.J.D. The X-ray pattern (22 lines)(unfilteredFe radiation) has stron- gest lines 3.15(7Xll0), 3.02(10)(ttr), 2.47(6)(113,202), 1.793(7X300),1.551(7X304), 1.50E(10X222). These are very close Cuzticite*. Eztlite* to the data of Gasperin,Bull. Soc. Franc. Mineral., E6, I l5-l 16 S. A. Williams (19E2)Cuzticite and eztlite, two new tellurium (1963) for syntheticCaTaaO11. The mineralis hexagonal,space mineralsfrom Moctezuma,Mexico. Mineral. Mag.,46,257- groupP63 or P6slm, = = a 6.23,c 12.224.,D calc.7.46. 259. Calciotantite occurs as square to rectangular to hexagonal crystals0.03-0.05 mm as inclusionsin microlite or as veinlets The new minerals were found together in oxidized ores at the 0.1-0.3 mm in microlite. Colorless,transparent, luster adaman- Bambolla mine, Moctezuma, Sonora. Both occur with various tine, no cleavage.Hardness 970 kg/sq. mm,40g load; 1200kg/ iron oxides,emmonsite, schmitterite, and kuranakhite.Analysis sq.mm,20 g load. Doesnot luminescein UV light, but becomes of cuzticite by Marjorie Duggan yielded Fe2O341.1, Mn2O3 -0.42*,TeO2'H20 xno slightly blue in cathoderays. Anisotropic,reflectances 486 nm, 13.6,sum l00.2Vo valencedetermination, 16.9,16.3;551 nm, 17.0,16.6;589 nm, 17.1,16.7;656 nm, correspondingclosely to the formulaFe2Te06'3H2O. Cuzticite is lE.2,l8.lVo. yellowish, H = 3, D = 3.9, occurring in crusts with a scaly The mineral occurs in granitic pegmatites,restricted to a zone structure. The X-ray powder pattern was indexed on a hexagonal of platy albite with relicts of spodumene.Associated minerals cell, a = 5.045,c = 10.63A.Strongest lines of the powderpattern includescheelite, apatite, and sometimeswodginite. are3.246 ( I 0)(103), 2. 5 I 8(7XI 10),4.87 I (4X003),2.239(3Xl I 3) and The name is for the composition. Type material is at the l.564(3X213). MineralogicalMuseums of the Acad. Sci. USSR, Moscow, and Analysis of eztlite gave FezOt24.3, PbO 25.5,TeOz 26.8, TeO: its Kola branch,Apatite. M.F. 8.6, H2O 12.3, sum 97.5% leading to the formula Fe6Pb2 (TeO:)rTeOe(OH)r0.8H2O.Etzlite is blood red, as paper-thin sparkingcrusts, H = 3, D : 4.5. A possiblecell foqnd by the Ito Claraite* methodis monoclinicd = 6.58,b = 9.6E.c = 20.524,F = 90'l 5'. Strongest lines of the powder pattern are 3.426(10X006), (19E2) K. Walenta and P. J. Dunn Claraite, a new carbonate 3.289(10X200),4.037(9X104), 3.239(9X201). Etzlite grains are mineral (Central from the Clara Mine. Black Forest). Chemie deep cloudy orange in thin section and are not pleochroic. der Erde. 41.97-102. Estimatedindices are np = 2.14,nc : 2.15(white light). A good The mean of two chemical analysesyielded CuO 52.5, ZnO cleavage,probably (001), is always length slow with extinction 8.0, MnO 1.2, CO2 11.6, H2O 27.0 (by diference), sum : (to 7) of 3', consistentwith monoclinic(or lower) symmetry. l0/J.OVo.The chemical formula, calculated on the basis of 3 The names are derived from the Nahua language; cuzticite cations, is (Cu2.5lne.36Mn6sj(CO3)1 o3(OH)3.e4'3.E5H2O, or, from cuztic, somethingred, and eztlite from eztll meaningblood. ideally,(Cu,Zn)3Cq(OH)4.4HrO with Z = 66. Type materialis at the British Museum(N.H.) and the Universi- Single crystals were not obtained. Claraite has optical disper- ty of Arizona. A.P. sion, r >> v, which suggestsit is triclinic. The strongestlines in the X-ray powder diffraction pattern are: 13.47(10X1120), 7.84(9)t2?2), s.r7(6X3033,3250),3.65(8bX4263, $11,4134, Jeanbandyite* q, s21 3.24(5X4 r55,s I-u;cBersz1 tr* 80,7070,448 1, 5 38 t, 707 I ), A. R. Kampf (1982)Jeanbandyite, a new memberof the stottite 2.96(6)(4483,7181,2027,5165,3256,5383,7071). These difractions group from Llallagua, Bolivia. Mineral. Record, 13,235-239. are indexed on a hexagonalpseudocell with a : 26.22 and c : 2t.564. Microprobe analysis of six crystals yielded MgO 0.6t 19.24- I .27),SiO2 0.79 (0.55-0.94), MnO 5.82(4.MJ .54),F ezO 22.07 Claraite forms blue spheruleswith a perfect {10T0}cleavage; t (r9.22-24.7l), SnOz49.61 (4E. 30-5 I .59),H2O 2 I . l0 (tB.t4-22.44) by ditrerence,sum = 100.00%.Fe wasassigned as Fe3*based on xMinerals marked with asteriskswere approved before publi- microchemicaltests. This analysisis calculatedon the basisof6 cation by the Commissionon New Minerals and Mineral Names (oH) as: (Fe31lMnal2rMg35r)(Sn3**Sioo:)(OH)uwith excess of the International Mineralogical Association. charge balance assumedto be due to a small portion of the Fe 0003-0Mx83/0304-0471$0.50 471 NEW MINERAL NAMES beingpresent as Fe2*. The idealizedformula is Fe?lSnl-i(OH)o Physical description (from Perrault and Richard, 1973)shows or (Fei-1n"Xsn1-*"n")(oH)6,with 3x + 4y : 1. that steacyiteoccurs as dark brown crystalscomposed of {100} X-ray study indicatedjeanbandyite is tetragonal,P42ln (psel- and {001}in a three-dimensionalcruciform habit. The hardnessis docubic)witha = c =7.6484,2= 4,D calc.= 3.81,Dmeas.: 5; no cleavageobserved; D calc. 3.32,D meas.2.95 (on porous 3.81.The strongestlines in the powder pattern(22 given ) are: material); radioactive. Steacyite is uniaxial, negative, with e = 4.41(20)( l l r), 3.83(100)(200),2.7 r(70)(220), 1.9l 2(20x400), 1.572,ot = 1.573.Steacyite occurs with nenadkevichite,anal- 1.710(60)(420),t.s62(3s)(422). cime, and acmite in pegmatite veins in the nepheline syenite of The mineral occurs as 0.2 mm pseudo-octahedralaggregates of Mt. St. Hilaire, Quebec,Canada. The nameis in honor of Mr. jeanbandyite crystals epitaxially grown on wickmanite. Forms Harold R. Steacy, curator of the National Mineral Collection present are {lll}, {001}, and {t00}. Jeanbandyiteis brown- housed at the Geological Survey of Canada. Type material is orange;streak pale brown yellow; hardness3%; cleavageis fair, depositedat the l'Ecole Polytechniquede Montreal and cotype parallel to {001} and {100}. Optically uniaxial negative, e : material at the Geological Survey of Canada.The crystal struc- 1.833(5)and r.r : 1.837(5).Jeanbandyite occurs on museum ture of steacyite was published by Richard and Perrault (Acta specimensfrom level 295of the Contactovein. Llallagua, Bolivia Cryst., B28, 1994-1999(1972)). P.J.D. and other levels ofthe mine. Associatedminerals include fluora- patite, stannite, pyrite, jamesonite, cassiterite, and crandallite, amongothers. Jeanbandyiteis a memberof the stottite group and Sopcheite* is related to wickmanite and schoenfliesite. D. A. Orsoev, S. A. Rezhenova,and A. N. Bodanova(1982) The name is for Mrs. Jean Bandy of Wickenburg, Arizona, Sopcheite,AgaPd3Tea, a new mineral from copper-nickel ores wife of Mark Chance Bandy who collected the material. Type of the Monchegorskpluton. Zapiski Vses. Mineral. Obshch., material is preservedat the SmithsonianInstitution, Harvard lll, ll4-ll7 (in Russian). University, and the Los Angeles County Museum of Natural History. P.J.D. Microprobe analysesof 2 samplesgave Ag 32.62,33.56;Pd 25.26,23.92: Fe 0.80, 2.13; Cu 0.09,-; Ni 0.03,-; Te 41.32, 42.13: Bi 0.17,-; As none, none; sum 100.29,101.74%, cor- Meta-uranocirciteII responding to the formulas (Agr 73Feq.1sCu662Nio or)Pd2 e6 (TeroaBio or) and (Agr TeFes21XPd2.7a)Fe6 25)Tea.62. A mineral of F. Khosrawan-Sazedj (1982) The crystal structure of meta- this composition was reported from Sudbury by Cabri and uranocirciteII, Ba(UO)2@O4)26H20.Tschermaks Min. Petr. Laflamme,Econ. Geol., 71, no.7 (1976),but X-ray datawere not Mitt..29. t93-204. obtainable on it. X-ray studyof0.6 mm syntheticcrystals corresponding to the The X-ray powder pattern was indexed by Akira Kato on an meta-uranocirciteII of Walenta (J. Geol. LandesamtBaden- orthorhombiccell. with a :9.645, b = 7.906,c = 11.0404.,2 = Wurttemberg,6, ll3-135 (1964)showed it to be monoclinic, 4, D calc. 9.948.The strongestlines (17 given)are 3.33(10, but Pll}/a,witha = g.78g,b:9.882,c= 16.868A,y=89.95",2: quartz present) (013), 2.70(5)(023),2.56(6X031), 2.30 4, for the formula given above.The studiedsingle crystals are (5bx4r0,r32), r.805(7bx24r, l06). yellow, rectangular, biaxial negative, with 2V : 28-40'. Partial In reflected light gray with brown tint. Anisotropic, with color chemical analysisyielded Ba = 14.7%(microprobe), H2O : efects yellowish-red to bluish.