 | | Report (issue) | | AITa04 Alumotantite Orthorhombic. Point Group: 21m 21m 21m. Crystals euhedral to subhedral, to 1 mm...corresponding to AIl.OOTao.98Sno.o204' (3) Alto do Giz pegmatite, Brazil; by electron microprobe, corresponding...parabariomicrolite (Alto do Giz pegmatite, Brazil). Association: From an undisclosed locality [Leshaia pegmatite, Vuoriyarvi...Zimbabwe. From the Alto do Giz pegmatite, near Parelhas, Rio Grande do Norte, Brazil. Distribution: Name:...P. Men'shikov, and Y.A. Pakhomovskii (1981) Alumotantite and natrotantite, new tantalum minerals in granitic |  | | Report (issue) | | Group: 3 2/m. simpsonite, in turn rimmed by alumotantite; intergrown with microlite. Rimming crystals...(Ta3.81 Nb0.19 )Σ=4.00 O10.75 . (2) Alto do Giz pegmatite, Brazil; by electron microprobe, corresponding...granite pegmatites. Association: Simpsonite, alumotantite, microlite, sosedkoite. Distribution: From...Peninsula, Russia. At the Alto do Giz pegmatite, near Parelhas, Rio Grande do Norte, Brazil. Name: For sodium...P. Men’shikov, and Y.A. Pakhomovskii (1981) Alumotantite and natrotantite, new tantalum minerals in granitic |  | | Report (issue) | | 505(2) Z=3 X-ray Powder Pattern: Alto do Giz pegmatite, Brazil; after removal of lines due to microlite...05 4.95 [5.5] [100.0] 100.00 (1) Alto do Giz pegmatite, Brazil; by electron microprobe, H2 O + F by...of microlite crystals, in a decomposed zoned pegmatite. Association: Microlite, simpsonite, tantalite... manganotantalite, tapiolite, natrotantite, alumotantite, stibiotantalite, beryl, spodumene, petalite...Distribution: Name: In the Alto do Giz pegmatite, near Parelhas, Rio Grande do Norte, Brazil. From the Greek for |  | Hawthorne, Frank C., Burke, Ernst A. J., Ercit, T. Scott, Grew, Edward S., Grice, Joel D., Jambor, John L., Puziewicz, Jacek, Roberts, Andrew C., Vanko, David A. (1988) New Mineral Names. American Mineralogist, 73 (1-2) 189-199 | Journal (article/letter/editorial) | | = [l00], Z A c = 15. The mineral occurs in a pegmatite with beryl and columbite at Kobokobo, Kiku, Zaire...280(70)(112,131).Three weak lines have ftkl valuesthat do not spacegroup/4 /mmm, a: 4.597(5),c: 11.034(8)A...oxide zone of the Mannarditet Cumobabi molybdenum pegmatite deposit southwest of CumJ.D. Scott, G.R. Peatfield...5)(4.1,6.3) mineral speciesfrom the Evans-Lou pegmatite,Quebec.Can. data are a: 2.26(l), e: 2.42(l). calculatedfrom...oxide-mineral assemblages of the Alto do Giz pegmatite,Rio Grande do Norte, Brazil. Associatedminerals include |  | | Book | | another oxide, "yttria", from minerals found in the pegmatite at Ytterby, Sweden. Both supposed oxides were...Swedish ehernist Ekeberg in the eourse of analyzing pegmatite minerals from Ytterby, Sweden and Kimito, Finland...minerals from the same loeality, the farnaus pegmatite at Ytterby, Swcden. This faet stresses the geoehemieal...themselves. Then, why and under which conditions do they fractionate? Understanding the fractionation...(with 3 Figures) . . 189 Characteristics of Pegmatite Deposits of Tantalum. P. Cerny (with 18 Figures) |  | | Book (volume) | | and Peng Wenshi (1982). However, these publications do not contain any analytical data for reference samples...yegorovite Na4[Si2O4(OH)2]2·7H2O from the Palitra pegmatite, Lovozero massif, Kola peninsula hydrated proton)...synthetic analogue of hydroniumjarosite because they do not conform to R-3 m symmetry. In IR spectrum of...Locality: Ampanodiana North pegmatite, Tetezantsio-Andoabatokely Pegmatite Field, Andrembesoa Commune... Locality: Ministerskaya Yama Pit, Sarapulka pegmatite field (near Sarapulka village), Murzinka district |
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Alto do Giz pegmatite, Equador, Rio Grande do Norte, Brazil