Encyclopedia

braggite

braggite

[′bra‚gīt]
(mineralogy)
PtS A steel-gray platinum sulfide mineral with tetragonal crystals.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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References in periodicals archive
Braggite (Pt,Pd,Ni)S Cooperite (Pt,Pd,Ni)S Geversite [Pt(Sb,Bi).sub.2] "Guanglinite" [Pd.sub.3]As Hollingworthite (Rh,Pt,Pd)AsS Insizwaite [Pt(Bi,Sb).sub.2] Iridium Ir Isoferroplatinum [Pt.sub.3]Fe Isomertieite [Pd.sub.11][Sb.sub.2][As.sub.2] Kotulskite Pd(Te,Bi) Merenskyite [PdTe.sub.2] Mertieite-II [Pd.sub.8][(Sb,As).sub.3] Michnerite PdBiTe Moncheite [PtTe.sub.2] Nigliite PtSn Palladium Pd Plumbopalladinite [Pd.sub.3][Pb.sub.2] Rhodium Rh Sopcheite [Ag.sub.4][Pd.sub.3][Te.sub.4] Sudburyite PdSb Tetraferroplatinum PtFe Tulameenite [Pt.sub.2]FeCu Vincentite [(Pd,Pt).sub.3](As,Sb,Te) Vysotskite (Pd,Ni)S The exotic sulfides which, in massive form, constitute the bulk of the ore include:
Sperrylite from the Talnakh orefield, Norilsk region: eastern Siberia, Russia
These include braggite (Pt,Pd,Ni)S, cooperite (Pt,Pd,Ni)S, laurite [RuS.sub.2], mertieite-II [Pd.sub.8][(Sb,As).sub.3], and native platinum Pt.
Sperrylite from the Tweefontein farm: Limpopo Province South Africa
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