MINERALOGICAL MAGAZINE, DECEMBER 1972, VOL. 38, PP. 987-1OOl Twenty-seventh list of new mineral names M. H. HEY AND P. G. EMBREY Department of Mineralogy, British Museum (Natural History), London SW7 THE present list includes 147 names, of which 9 are spelling variants or errors, 26 new and unnecessary synonyms for known minerals and names for synthetic or hypo- thetical products not known in nature, and I4 a group of unnecessary varietal names proposed over a century ago by J. Frrbel, most of which have escaped inclusion in the literature until now, but are here noted 'for the record'. Names for inadequately characterized minerals 02) and names for minor varieties (I) still constitute an un- necessary burden on the literature. Most of the 85 new named species have been approved prior to publication by the Commission on New Minerals and Mineral Names of the International Mineralogical Association, and it is noticeable that few of those published without the Commission's approval are likely to prove worthy of species rank; in the present list names (other than spelling variants) published since I96o without the Commission's approval are distinguished by an asterisk (*); valid species are in bold-face type. To save space, references to certain journals are sometimes given in shortened form: A.M., Amer. Min. ; Bull., Bull. Soc. frang. Min. Crist. ; M.A., Mineralogical Abstracts; Zap., 3at1. Beecoto3. Mnn. o6~. (Mem. All-Union Min. Soe.). Agrinierite. F. Cesbron, W. L. Brown, P. Bariand, and J. Geffroy, 1972. Min. Mag. 38, 78I. Orange orthorhombi~ crystals, a 14"o4, b 24.o7, c 14.13 A, Cmmm, D 5"7, occur with uranophane in cavities in gummite at Margnac, France. Composition 8[2(K2,Ca,Sr)O.6UOs.8H20 ]. a 11 [ooI], 7' [] [oIo]. Named for H. Agrinier. [M.A. 72-3346.] Akatoreite. P. B. Read and A. Reay, I971. Amer. Min. 56, 416 (Akatoreite). Orange-brown sheaves of prisms from Akatore Creek, Dunedin, New Zealand, are anorthic, a 8"344, b Io'358, e 7"627 A, ~ to4 ~ 29', fl 93 ~ 38'. 7" lO3 ~ 57', D 3"48, and optics a 1.698, colourless,/3 I-7o4, pale yellow, 7' 1.72o, canary yellow. Ideal composi- tion, assuming Mn divalent, [MngSisAI2024(OH)s] with some deficiency of Si and excess (OH). Named for the locality. [M.A. 7I-3IO3. ] Akdalaite. E. P. Shpanov, G. A. Sidorenko, and T. I. Stolyarova, i97o. Zap. 99, 333 (Ax~aAanT). Aggregates of tabular hexagonal crystals in skarns in the Solvech fluorite deposit, Karagandin region, Kazakhstan, have a 12-87, c i4.97 A, and a composition near 4A12Os.H20. co 1"747, E 1-741. The X-ray data are near those of artificial 5A1203.H20 (tohdite, q.v.; Yamaguchi et al., i964), but show some extra weak lines. Aldzhanite*. N. P. Avrova, V. M. Bocharov, I. I. Khalturina, and Z. R. Yunosova, 1968. [Feo~. pa3Be~. MecTopon~. TBep~. Ho:~e3. I/Icr~on. Ka3., 1969, I69], abstr. 988 M. H. HEY AND P. G. EMBREY Pe~. mypn., reoa., I969, abstr, no. 6V233 (AAbg~aHHT). An incompletely analysed orthorhombic mineral, a 12"76, b r4"59, c 8.I 9 (A or kX?), D 2.2I, in insoluble residues from a carnallite-bischofite rock; no locality or etymology given. B203 23"6 %, Ca 15 to 20 %, C1 Io %. [A.M. 56, 1122; Zap. 100, 86.] Aliettite*. F. Veniale and H. W. van der Marel, I969. [Proc. Int. Clay Conf., Tokyo, 1,233], abstr. A.M. 57, 598. A regularly interstratified talc-saponite mineral from Monte Cbiaro and other localities in the Taro valley region, Italy (M.A. 8-517; 15-332) is now named for A. Alietti. Aluminatchromit. K. Spangenberg, I943. Zeits. prakt. Geol. 51, 22. A chrome ore from Tampadel, Zobten, Silesia, with Cr only slightly > A1 and Mg:Fe about 3"5- Synonym of alumo-chrompicotite 05th List). Armalcolite. A. T. Anderson, T. E. Bunch, E. N. Cameron, S. E. Haggerty, F. R. Boyd, O. B. James, K. Keil, M. Prinz, P. Ramdohr, and A. E1 Goresy, I97o. Proc. Apollo XI Lunar Sei. Conf. 1, 55- A member of the pseudobrookite family, 4[(Mg,Fe) Ti205], with Mg g Fe ~*, intermediate between Fe2+Ti205 and karrooite, occurring in lunar rocks from Tranquillity Base. a 9"743, b lO.O2, c 3"74 A. Named for N. A. Armstrong, E. E. Aldrin, and M. Collins. [A.M. 55, 2136; M.A. 7I-I383; Zap. 100, 618.] cx-Arselfie sulphide*. A. H. Clark, I97o. Amer. Min. 55, I338 (Alpha-arsenic sulfide). The high-temperature modification of AsS occurs at the Alacr~in mine, Pampa Larga, Chile. It is very similar to realgar (/3-ASS), but gives a different X-ray powder pattern. [M.A. 71-548.] Athabaseaite. D. C. Harris, L. J. Cabri, and S. Kaiman, I97o. Canad. Min. 10, 207. Lath-shaped grains included in or replacing umangite, and stringers in carbonate vein material, at the Martin Lake mine, Uranium City, Lake Athabasca, Saskatchewan, are orthorhombic, a 8-227, b II.982, c 6.441 A. Composition 4[CusSe4]. Named for the locality. [A.M. 55, I444; 56, 632; M.A. 71-2328; Zap. 100, 617.] Bariandite. F. Cesbron and H. Vachey, I97I. Bull. 94, 49. A black fibrous mineral in the uranium-vanadium deposit of Mounana, Gabon, is monoclinic, a II'7o, b 3"63, e 20.o6 A,/3 ioi ~ 3o', D 2"7. Composition 2[V~O4.4VzOs. I2H20]. The finest fibres are pleochroic, greenish brown II [oio], bottle green _[_[oio]. Named for P. Bariand. [M.A. 71-2329; Bull. 94, 57I.] Bastnaesite-(Yt). D. A. Mineev, T. I. Lavrishcheva, and A. V. Bykova, I97o. Zap. 99, 328 (Baexueanx(Y)). Fine-grained brick-red pseudomorphs up to 8 cm long after gagarinite (23rd List). Yt 4o"I % of total rare-earth metals. [A.M. 57, 594.] Boothite. J. FriSbel, I843. Grundziige eines Systemes der Krystallologie. A nickel arsenide from Richelsdorf described by Booth in 1836, later included in chloanthite. Not to be confused with the boothite of Schaller 0903; 3rd List). Boussingaultin. J. Fr/Sbel, I843. See chrysargyrite (this List). Briiggenite. M. E. Mrose, G. E. Ericksen, and J. W. Marinenko, I97I. Progr. Abstr. Geol. Soc. Amer. Ann. Meet., 653. Ca(IO3)2.H20 occurs with lautarite, to which it dehydrates, in the Chilean nitrate deposits. Monoclinic, a 8"5I, b lO.OO, c 7"5o A,/3 95 ~ 2o', P21/c. [A.M. 57, 597-] Bukovite. Z. Johan and M. Krav6ek, I97I. Bull. 94, 529. Rare dark brown to TWENTY-SEVENTH LIST OF NEW MINERAL NAMES 989 black grains, up to 2 mm, in the ore deposits of Bukov and Petrovice, Moravia, are tetragonal, a 3"976, c I3"7o tk; composition [Cu3+,TI2FeSe4_j, with x up to 0.28. Named for the locality. [M.A. 72-3334.] Caesium kupletskite. A. F. Efimov, V. D. Dusmatov, A. A. Ganzeev, and Z. T. Kataeva, i97i. ~o~x. AKaK. HayK CCCP (Compt. Rend. Acad. Sci. URSS), 197, ~394 (I~e3nfiKymxeTCKVXT).Rosettes of platy anorthic crystals from the Alai alkalic province have a 5.41, b I1.74, c 2H6 A, ~ 89 ~ fi 9 o~ ~, IO2 ~ 23'. Composition (Cs,K,Na)3(Mn,Fe,Li)7(Ti,Nb)~SisO~(O,OH,F)7, the caesium analogue of kuplet- skite (2Ist List). a yellow-green, fl 1-726, yellow-brown, ~ 1-758 ][ [lOO], brown. [A.M. 57, 328.] Carbonate-fluor-chlor-hydroxyapatite*. P. G. Cooray, I97o. Amer. Min. 55, 2040. A carbonatian apatite (1.2 % CO2) with F ~ C1 ~ OH, from Metale, Ceylon. [M.A. 71-2322.] Carletonite. G. Y. Chao, 1971. Amer. Min. 56, 354 (abstr.) and I855; 57, 765. A tetragonal mineral from Mt St Hilaire, Quebec, a I3.I78, c 16"695 A, D 2.45, P4/mbm, has the ideal composition 8[KNa4Ca~SisOls(CO3)4(OH,F).H~O], with considerable vacancies in the K, Na, Ca, CO3, and (OH,F) sites, oJ 1.52I, E i-5i 7. Named for Carleton University, Ottawa. Pink to pale blue. Perfect (OOl) cleavage; no distinct crystals. [M.A. 72-2329 and 3335.] Carlsbergite. V. F. Buchwald and E. R. D. Scott, I97I. Nature (Phys. Sci.), 233, xI3. Oriented platelets and grains in kamacite in Descubridora and other siderites consist of CrN, cubic, a 4"I6 A, Fm3m. Named for the Carlsberg Foundation. [M.A. 72-233o; A.M. 57, 131I.] Cerotungstite. Th. G. Sahama, O. yon Knorring, and M. Lehtinen, 197o. Bull. Geol. Soc. Finland, no. 42, 223. The cerium analogue (Ce = IO %, Nd ~ 6 %) of yttrotungstite (I9th List), and named accordingly. A secondary mineral in tungsten ore from Nyamulilo mine, Kigezi, Uganda. [M.A. 72-3336; Zap. 100, 623.] Cesiu m kupletskite, see Caesium kupletskite. Chaoite*. A. E1 Goresy, 197o. Naturwiss. 56, 493- The hexagonal polymorph of carbon, a 8"948, c I4"O78/~, reported by A. E1 Goresy and G. Donnay (Science, 161, 363 (1968)) from graphite gneiss from the Ries Crater, Bavaria, and by G. P. Vdovykin (FeoxnMu~, 1969, 1145) is named for E. C. T. Chao. [A.M. 54, 326; 55, IO67; Zap. 100, 614.] Chelkarite*. N. P. Avrova, V. M. Bocharov, I. I. Khalturina, and Z. R. Yunosova, I968. [FeoA. pa3Beg. MeeTopom~. TBep~. noAe3, nc~on. Ka3. I969, I69], abstr. Pe~. mypa., reo~x. 1969, abstr, no. 6V 233 (aeAKapHx). Prismatic crystals in insoluble residues from a carnallite-bischofite rock are orthorhombic, a I3"69, b 2o.84, c 8-26 (A or kX?), Pbca. Two analyses differ considerably, but are near (Ca,Mg)4B3OTCI~. I IH~O. No locality or etymology is given.