American Mineralogist, Volume 82, pages 820±823, 1997

NEW NAMES*

JOHN L. JAMBOR,1 EDWARD S. GREW,2 AND ANDREW C. ROBERTS3

1Department of Earth Sciences, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada 2Department of Geology, University of Maine, Orono, ME 04469-5711, U.S.A. 3Geological Survey of Canada, 601 Booth Street, Ottawa, Ontario K1A 0G1, Canada

Deloneite-(Ce)* Orthorhombic lamprophyllite A.P. Khomyakov, D.V. Lisitsin, I.M. Kulikova, R.K. O. Johnsen (1996) TEM observations and X-ray powder

Rastsvetaeva (1996) Deloneite-(Ce), NaCa2SrCe(PO4)3F, data on lamprophyllite polytypes from Gardiner Com- a new mineral with a belovite-like structure. Zapiski plex, East Greenland. Neues Jahrb. Mineral. Mon., Vseross. Mineral. Obshch., 125(5), 83±94 (in Russian, 407±417. English abs.). Electron diffraction patterns of lamprophyllite from the R.K. Rastsvetaeva, A.P. Khomyakov (1996) Crystal struc- ture of deloneite-(Ce), the highly ordered Ca analog of Gardiner complex showed that, in addition to monoclinic belovite. Doklady Akad. Nauk, 349(3), 354±357 (in (C2/m) lamprophyllite and barytolamprophyllite, an or- Russian). thorhombic polymorph of lamprophyllite is present. Par- tial Rietveld analysis of the orthorhombic mineral gave a Ê Electron microprobe analysis gave Na2O 4.45, K2O ϭ 19.356(2), b ϭ 7.1040(2), c ϭ 5.4083(2) A, space

0.07, CaO 14.77, SrO 18.19, BaO 0.10, La2O3 8.12, group Pnmn. The are designated lamprophyllite-

Ce2O3 13.14, Pr2O3 1.13, Nd2O3 3.81, Sm2O3 0.34, Y2O3 2M, lamprophyllite-2O, and barytolamprophyllite-2M.

0.02, ThO2 0.02, SiO2 0.74, P2O5 30.71, F 2.03, H2O J.L.J. (calc) 0.38, O ϵ F 0.85, sum 97.18 wt%, correspond- ing to (Na1.93K0.02)⌺1.95(Ca3.54Sr2.36Ba0.01)⌺5.91(Ce1.08La0.67 Malanite* 2Nd0.30 Pr0.09 Sm0.03)⌺2.17 (P5.81 Si0.17)⌺5.98 O24[F1.44 (OH).56]⌺2.00, ideally NaCa2 SrCe(PO4 )3 F. The mineral occurs as Zuxiang Yu (1996) MalaniteÐA new cupric platinum grains, up to 1.5 mm in size, that are intimately inter- (Pt3ϩ ) and iridium (Ir3ϩ ) sul®de. Acta Geol. Sinica, grown with belovite and an apatite-like mineral rich in 70(4), 309±314 (in Chinese, English abs.). Sr and REE. Bright yellow color, transparent, vitreous The mean and range of ®ve electron microprobe anal- luster, white , brittle, step-like , H ϭ 5, yses of grains from a magmatic Ni-Cu sul®de ore, and {1010} and {0001} cleavages, Dmeas ϭ 3.92(5), Dcalc ϭ six analyses of grains from placer concentrates gave, re- 3.95 g/cm3 for Z ϭ 2. Optically uniaxial negative, ⑀ϭ spectively, S 23.8 (23.2±24.2), 22.6 (21.9±23.3), Fe 0.6 1.660(2), ␻ϭ1.682(2). Readily soluble in 10% HCl (0.2±0.9), 0.7 (0.3±1.1), Co 2.21 (1.73±2.74), 1.1 (0.7± or HNO3 at room temperature. Strongest absorption 1.5), Ni 0.3 (0.1±0.5), ±, Cu 10.9 (10.1±11.8), 10.7 bands in the infrared spectrum are at 1164, 1098, 1047, (10.2±11.1), Rh 0.7 (0.5±0.9), 1.5 (1.0±2.0), Pd 0.5 1010, and 949 cmϪ1, and weaker bands are at 600, 575, (0.3±0.9), 0.0, Ir 23.2 (22.2±24.0), 15.5 (14.3±17.3), Pt and 547 cm Ϫ1. Single-crystal X-ray structure study (R 37.0 (36.4±37.8), 47.4 (45.8±48.9), sum 99.2 (99.1± ϭ 0.049) indicated trigonal symmetry, space group P3, 99.7), 99.5 (99.0±99.8) wt%, corresponding to Ê a ϭ 9.51(1), c ϭ 7.01(1) A . Strongest lines of the (Cu0.93Fe0.06)⌺0.99 (Pt1.03Ir0.66Rh0.04Pd0.03Co0.21Ni0.03)⌺2.00S4.03,

X-ray powder pattern (57.3 mm camera, FeK␣ radia- and (Cu0.95Fe0.07) ⌺1.02(Pt1.37Ir0.45Co0.11Rh0.08)⌺2.01S3.97, ideally tion) are 3.51(30,002), 3.12(40,210), 2.84(100 CuPt2S4. Occurs as euhedral octahedral and dodecahedral broad,211,112), 2.753(40,300), 1.967(30,222), and crystals to 0.2 mm; also as veinlets up to 10 ϫ 200 ␮m 1.870(30,213). in iridisite. Steel-gray color, metallic luster, opaque, black

The mineral occurs in hyperagpaitic pegmatites at the streak, brittle, H ϭ 5, VHN20 ϭ 417, {111} , non- 3 Khibina alkaline massif, Kola Peninsula, Russia. The new magnetic, Dcalc ϭ 7.57 g/cm [Z ϭ 8]. White with a green- name is for Russian mathematician B.N. Delone (Delau- ish tint in re¯ected light, no bire¯ectance or pleochroism, nay), 1890±1980. Type material is in the Fersman Min- isotropic. Re¯ectance percentages (given in 10-nm steps eralogical Museum, Moscow. The mineral is chemically from 400 to 700 nm; WTiC standard) are 37.3 (470), 37.7 the Ca analog of belovite, but the two minerals differ (546), 38.1 (589), and 38.6 (650). Single-crystal X-ray structurally. J.L.J. study indicated isometric symmetry, space group Fd3m, a ϭ 9.910 AÊ . Strongest lines of the powder pattern are * Before publication, minerals marked with an asterisk were 2.98(60,311), 2.48(80,400), 1.90(80,333), 1.75(100,440), approved by the Commission on New Minerals and Mineral and 1.001(70,844). Names, International Mineralogical Association. The magmatic Ni-Cu sul®de ore, which also contains 0003±004X/97/0708±0820$05.00 820 JAMBOR ET AL.: NEW MINERAL NAMES 821 moncheite, cooperite, and sperrylite, is associated with Electron microprobe analyses of two particles gave olivine pyroxenite dikes that occur about 150 km east of CaO 0.76, 0.74, P2O5 20.62, 18.70, V2O5 2.20, 2.27, UO2

Beijing. The chromite placers are near the village of 71.82, 68.46, H2O (by difference) 4.60, 9.83; after de- Shuangfeng, about 200 km NNE of Beijing. ducting for tyuyamunite impurity (an energy dispersion Discussion. Data for the mineral from the magmatic scan showed only U, P, and a trace of Fe), the analyses occurrence were abstracted in Am. Mineral., 61, p. 185 correspond to, respectively, U0.994Ca0.006(PO4)1.194(OH)0.42

(1976), which introduced several new but unapproved ´ϳ0.3H2O, ideally U5(PO4)6(OH)2´1.5H2O, and to U0.997 names, including malanite and dayingite (p. 184). Data Ca0.003(PO4)1.16(OH)0.51´ϳ0.7H2O, ideally U6 (PO4)7 for malanite were subsequently revised (Am. Mineral., (OH)3´4H2O. The O/U ratio is 2.15 in an ore sample con- 65, p. 408, 1980), following which dayingite was shown sisting predominantly of phosphate, indicating that U is to be Co-rich malanite (Am. Mineral., 67, 1081±1082, probably quadrivalent in the mineral. Aggregates of the 1982). Malanite has now been approved by the CNMMN mineral from Uzbekistan are very small, compact, and (IMA No. 95±003). J.L.J. dark green (size of particles not given). Average n ϭ 1.735. Least-squares re®nement of electron diffraction data (63 re¯ections) showed the mineral to be monoclinic, Sn intermetallic compounds space group C2/m, a ϭ 14.09(5), b ϭ 13.19(3), c ϭ N.N. Krivitskaya, M.S. Sakharova, A.N. Ryabov, A.I. 15.02(15) AÊ , ␤ϭ89.4(6)Њ. No powder X-ray data could Tsepin (1995) New data on the intermetallic com- be obtained. The mineral was ®rst found in the Kanzhu- pounds of tin. Moscow Univ. Geol. Bull., 50(6), 65± gan exogenic deposit in the Chu-Sarysuyskaya depres- 70 (English translation of Vestnik Mosk. Univ. Geol.). sion, Kazakhstan, and later in the oxidized zone of the Koscheka and Dzhantuar deposits, Uzbekistan. At the lat- Complex intergrowths, to 0.5 mm, of native tin and ter localities the mineral has settled out mostly on unspe- intermetallic compounds occur in the Kubaka Au- ci®ed ``uran-micas'' (autunite, torbernite, etc.) and less -quartz-orthoclase (adularia) deposit in the Okhotsk±Chu- commonly on coconinoite. The mineral formed repeat- kotka volcanogenic belt, northeastern Russia. The largest edly during a complex hypergene process. intermetallic inclusions, to 20 ␮m, are represented by Discusion. The data reported are for material from Uz- Sn-Sb compounds; inclusions of other compounds are bekistan, but which locality is not speci®ed. E.S.G. 2±10 ␮m. All inclusions are white with a yellowish shade, and have a high re¯ectance and low hardness. Electron microprobe analyses are given for compounds Ca3.2(Sr,Na,Ce)1.8(PO4)3F corresponding to Sn2Sb, Sn3Sb2,Sn4Sb3,Cu6Sn5, SnPb, Sn Pb, Fe Sn, and native tin and stistaite. J.L.J. R.K. Rastsvetaeva, A.P. Komyakov (1996) Structural fea- 7 10 tures of a new naturally occurring representative of the ¯uorapatite-deloneite series. Kristallogra®ya, 41(5), 831±834 (in Russian). (Bi,Pb)3(Te,S)4 R.F. de Souza Lima, T. Mizuta, D. Ishiyama, T. Fujita Electron microprobe analysis (results not listed) gave (1996) Tellurium-bearing minerals in the CoÂrrego Cri- the formula (Ca6.31Sr2.33Na0.65)⌺9.29(Ce0.34La0.19Nd0.10 Pr0.02 minoso gold mining district, GoiaÂs State, Brazil. Re- Sm0.01)⌺0.66(P5.93Si0.11)⌺6.04O24[F1.33(OH)0.67]⌺2.00, simpli®ed as

port Research Institute Natural Resources, Mining Col- Ca3.2R1.8(PO4)3F where R ϭ Sr1.2Na0.3Ce0.3. Occurs as yel- lege, Akita University, No. 61, 1±16. low, transparent, prismatic crystals to 5 mm; optically uniaxial negative, ⑀ϭ1.637, ␻ϭ1.649, D ϭ 3.60, A sample of Au-bearing quartz vein contains mainly meas D ϭ 3.57 g/cm3 for Z ϭ 2. Single-crystal X-ray struc- pyrite and chalcopyrite, with native gold and tetradymite, calc ture study (R ϭ 0.029) indicated hexagonal symmetry, pilsenite, aleksite, and mineral A. An electron microprobe Ê space group P63, a ϭ 9.485(3), c ϭ 7.000(3) A . The analysis (one of three listed) of mineral A gave Bi 56.98, mineral is associated with belovite and deloneite-(Ce) in Pb 6.68, Ag 0.04, Cu 0.16, Te 31.18, S 5.16, sum 100.20 hyperagpaitic pegmatites at the Khibina alkaline massif, wt%, corresponding to (Bi Pb Cu ) (Te S ) . 2.69 0.32 0.02 ⌺3.03 2.41 1.59 ⌺4.00 Kola Peninsula, Russia. J.L.J. The mineral is light gray in re¯ected light, weakly aniso- tropic, and has a high re¯ectance. Discussion. Data for a mineral with the composition Pb-Al sulfosilicate Bi3(Te,Se,S)4 were abstracted in Am. Mineral., 81, p. 519, 1996. J.L.J. C. Cipriani, M. Corazza, G. Pratesi (1995) A new lead silicate sulfate hydroxide from Val Fucinaia, Tuscany, Italy. Periodico Mineral., 64, 309±313.

U4؉ Phosphate Six electron microprobe analyses gave a mean and L.N. Belova, A.I. Gorshkov. O.A. Doynikova, A.V. Siv- range of MnO 0.40 (0.34±0.46), PbO 83.75 (83.16± tsov, N.V. Trubkin (1996) A new phosphate of tetra- 84.33), Al2O3 1.04 (0.95±1.11), SiO2 9.35 (8.65±9.86), valent uranium. Doklady Akad. Nauk, 349(3), 361±363 SO3 1.83 (1.67±1.93), H2O (by difference) 3.63, sum 100

(in Russian). wt%, corresponding to Pb27(Al1.6Mn0.4)(Si6O15)2(SO4)2O10 822 JAMBOR ET AL.: NEW MINERAL NAMES

(OH)24. Occurs as round masses, 100 ␮m in diameter, other associated minerals and a third generation of consisting of white, platy crystals. White color, translu- villiaumite. cent, brittle, perfect {001} cleavage, H not determinable, Discussion. On the basis of a structure re®nement (Am. 3 Dcalc ϭ 6.37 g/cm for Z ϭ 1. The infrared spectrum has Mineral., 66, p. 879, 1981) and the new IR data, the au- absorption bands at 3350 cmϪ1 (retained after heating to thors propose that kalborsite is a zeolite-group mineral 104 ЊC, thus suggesting structural water), and at 1551, closely related to edingtonite and natrolite. E.S.G. 1347, 1142, and 976 cmϪ1. Electron diffraction patterns indicated hexagonal symmetry and gave the value for a, on the basis of which the Gandol® X-ray pattern (114 Korzhinskite mm, CuK␣ radiation) was indexed with a ϭ 9.203(4), c S.V. Malinko, V.T. Dubinchuk (1996) New data on cal- ϭ 25.72(2) AÊ ; strongest lines of the powder pattern are cium boratesÐsibirskite and korzhinskite. Zapiski 25.7(70,001), 3.20(80,008), 2.86(100,009), 1.95(40,227), Vseross. Mineral. Obshch., 125(4), 60±71 (in Russian). 1.92(35,1.0.13), and 1.87(80,228). Electron diffractograms of material from the type The mineral occurs at Campiglia Marittima, Tuscany, (and only known) locality, the Novofrolovskoye de- within cavities in weathered rock fragments that are de- posit, northern Urals, Russia, gave a ϭ 4.33(6), b ϭ bris from a sphalerite-chalcopyrite-galena skarn deposit 6.47(6), c ϭ 10.08(6) AÊ , ␤ϭ85(2)Њ, space group P2/ initially mined in the Etruscan age. J.L.J. m. As a result, the original powder X-ray data could be indexed; strongest lines in the pattern (19 lines giv- en, plus one attributed to an impurity; cf. Am. Mineral., 49, p. 441, 1964) are 3.11(70,021), 2.81(70,012), New Data 2.02(100,211), 1.905(50,131), and 1.757(40,203). Be- cause the powder pattern closely resembles that of syn- Kalborsite thetic CaB2O4´0.5H2O, the same formula is proposed I.V. Pekov, N.V. Chukanov (1996) New data on kalbor- for korzhinskite, originally given as CaB2O4´H2O. Un- site. Zapiski Vseross. Mineral. Obshch., 125(4), 55±59 der the electron microscope, the crystals of the mineral (in Russian). are characteristically platy. Electron microprobe analyses at seven points gave an Discussion. There is no information on the structural position of the hydrogen. E.S.G. average of SiO2 37.81, B2O3 4.13, Al2O3 22.10, SrO 0.02,

K2O 28.45, Na2O 0.13, Cl 3.84, F 0.05, calculated H2O 3.81, O ϵ (Cl,F) 0.89, sum 99.45 wt%. The correspond- Sibirskite ing formula for (Si,Al)10O20 is (K5.69Na0.04Sr0.01)⌺5.74 [Al Si O ][B (OH) F ]Cl , in good agreement S.V. Malinko, V.T. Dubinchuk (1996) New data on cal- 4.08 5.95 20 1.12 3.98 0.03 1.02 cium boratesÐsibirskite and korzhinskite. Zapiski with the ideal formula K6[Al4Si6O20][B(OH)4]Cl, and with analysis of the type material. The infrared spectrum has Vseross. Mineral. Obshch., 125(4), 60±71 (in Russian). absorption bands at 3635, 3595, 3573, 3560, 3550, Electron diffraction patterns gave the space group as ϳ3400, ϳ3200, 1640, 1194, 1130, 1095, 1045, 1015, P2/m. The cell parameters a ϭ 3.67, b ϭ 4.89, c ϭ 19.30 988, 970, 950, 891, 757, 517, and 424 cmϪ1. In addition, AÊ , ␤ϭ62Њ were calculated to give the optimal corre- bands at 722, 707, 677, 627, and 574 cmϪ1, attributed to spondence between measured and calculated d values for the aluminosilicate framework, are virtually identical in X-ray powder data on material from the type locality, the position and intensity to the corresponding ones in natro- Yuliya Svintsoviya deposit, Khakassiya, Siberia, Russia. lite. The mineral forms tetragonal prisms up to 2 mm long The original powder X-ray data could be indexed; strong- and 1.5 mm across, somewhat elongated ͦͦ c with the est lines in the pattern (17 lines given, plus two lines prism {110} and pinacoid {001}; less common are the attributed to , cf. Am. Mineral., 48, p. 433, 1963) dipyramid {101} and tetragonal tetrahedron {112}, so the are 3.74(40,013), 3.29(60,100), 2.93(100,112), 2.58 mineral has symmetry 42m. Goniometric measurements (100,102), 2.20(40,023), 2.05(40,122), 1.934(40,120), gave c/a ϭ 1.338. Colorless, vitreous luster, transparent. and 1.878(60,203). Similarly, previously published d val- Powder X-ray data gave a ϭ 9.84(1), c ϭ 13.09(1) AÊ (the ues based on electron diffraction patterns of material from pattern is very close to that of type material, but no lines the Solongo deposit, Buratiya, and the Novofrolovskoye are listed). deposit, northern Urals, Russia, are optimally matched The mineral occurs in a cancrinite-rich pegmatite that with the following cell parameters, respectively, a ϭ 3.68, cuts nepheline syenite at the Kirov mine, Kukisvumchorr b ϭ 4.89, c ϭ 19.32 AÊ , ␤ϭ63Њ, and a ϭ 3.67, b ϭ 4.89, Mountain, Khibina massif, Kola Peninsula, Russia, which c ϭ 19.30 AÊ , ␤ϭ62Њ. On the basis of similarities be- is the second locality for the mineral (see Am. Mineral., tween the X-ray patterns of sibirskite and synthetic hy- 66, p. 879, 1981). The mineral occurs in interstices be- drated borates, and given that the amount of wa- tween cancrinite crystals; it is associated with villiaumite, ter in sibirskite cannot be determined, the preferred pirssonite, rasvumite, and thermonatrite, and crystallized formula is Ca2B2O5´nH2O, where 1 Ͻ n Ͻ 2, rather than after a second generation of villiaumite and before the the CaHBO3 formulation proposed originally. Review of JAMBOR ET AL.: NEW MINERAL NAMES 823

Russian occurrences, all of which are B-bearing skarn ϭ 0.15±0.20. Some is pleochroic from light green to deposits, indicates that, at Yuliya Svintsova and Solongo, green with a blue hue. A diffractogram of natural material sibirskite formed with chlorite, calcite, and szaibelyite in a preparation with strong preferred orientation has the from breakdown of sakhaite and harkerite, whereas at No- following lines (in AÊ ): 15.1 (sss), 5.32 (www), 5.06 vofrolovskoye, sibirskite formed nearly coevally with (www), 4.49 (w), 3.34 (ww), 3.017 (ww), 2.60 (ww), 2.56 calciborite. (ww) (strong, weak for relative intensities estimated from Discussion. There is no information on the structural published diffractogram), a pattern typical of smectites. position of the hydrogen. A request for a rede®nition has The mineral occurs in Upper Permian deposits exposed not been submitted to the CNMMN. E.S.G. in the Pakhomovoy Mountains, banks of the Pikhtovki River, and in the Samosadka and Bosh'yanovskaya de- posits, Kama River region west of the Ural Mountains, Villamaninite Russia. The mineral in economic concentrations is closely C. Marcos, A. Paniagua, D.B. Moreiras, S. GarcõÂa-Gran- related to silici®ed and carbonatized fossil wood, domi- da, M.R. Diaz (1996) Villamaninite, a case of noncubic nantly Araucarites sp., in sandstone, wherein the mineral pyrite-type structure. Acta Crystallograph., B52, 899± has formed veinlets, nests, inclusions, and has completely 904. pseudomorphosed the woody remains. Less commonly, Single-crystal X-ray structure study of two grains of the mineral cements grains in sandstone. Some massive material developed by recrystallization of a gel. villamaninite, (Cu,Ni,Co,Fe)(S,Se)2, from the type local- ity showed that the mineral is monoclinic, space group Discussion. Compared to analyses of the neotype and Ê cotype specimens, also from the Perm Basin (Am. Min- P21, with a ϭ 5.709(2), b ϭ 5.707(2), c ϭ 5.708(2) A, ␤ ϭ 90.01(1)Њ, R ϭ 0.051, and a ϭ 5.704(3), b ϭ 5.703(3), eral., 73, p. 934, 1988), the mineral analyzed here has c ϭ 5.704(3) AÊ , ␤ϭ89.99(2)Њ, R ϭ 0.034. Both grains higher SiO2 and lower Fe2O3;Cr2O3 contents are compa- are optically anisotropic. rable. See also Clays Clay Minerals, 36(6), 540±541, Discussion. A request for a rede®nition has not been 1988 for discussions of volkonskoite nomenclature. submitted to the CNMMN. J.L.J. E.S.G.

Volkonskoite A.G. Kossovskaya, A.V. Gomon'kov, N.V. Gor'kova, Discredited Mineral Ye.V. Shchepetova (1996) New data on the composi- tion and genesis of volkonskoite. Litologiya i Polez- Ferrazite nyye Iskopayemyye, 1996(2), 146±156 (in Russian). D. Atencio, A.M. Clark (1996) Ferrazite is identical to Four electron microprobe analyses of massive material gorceixite. Mineral. Mag., 60, 841±842. that replaced fossilized wood at the Samosadka deposit Electron microprobe analyses and X-ray powder pat- gave SiO2 51.530±53.796, Al2O3 4.894±5.364, Cr2O3 terns of ferrazite, including the type specimen, have

19.795±20.690, Fe2O3 1.616±1.696, CaO 2.144±2.444, shown the mineral to be gorceixite. The discreditation of NiO 0±0.04, sum 80.845±83.074 wt%. Where it has re- ferrazite has been approved by the CNMMN. J.L.J. placed the central parts of fossil trunks, the mineral in hand specimen is dark green, massive, with a conchoidal Erratum fracture. Generally ®brous or acicular under the SEM; In the abstract of mereiterite (Am. Mineral., 81, p. distinctive spongy texture if recrystallized from a gel. Po- 251, 1996), the angle for the monoclinic unit cell (␤ϭ larization weak, extinction straight, n ϭ 1.550±1.560, ⌬ 94.87Њ) was inadvertently omitted. J.L.J.