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Platinum group minerals from the Broken Hill District, New South Wales

Lookup NU author(s): Emeritus Professor Neil Gray


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Small deposits containing high platinum and palladium grades occur to the east of Broken Hill, New South Wales. Gossan samples have been examined from Mulga Springs, Little Darling Creek and Round Hill (Moorkaie Hill) to identify any platinum group minerals present. Platinum mineralogy is simple, being confined to braggite, sperrylite and native platinum, the latter being derived from oxidation of sperrylite. Palladium mineralogy is much more complex. Species found include Pd-Cu alloys, froodite, mertieite II, paolovite and several unnamed phases corresponding to (Cu,Pd)3Bi, Pd20(Te,Bi)7, Pd8(Te,Bi)3 and Pd3(Te,Hg)3. CopperĀ¬palladium oxides also occur, associated with goethite, malachite and chrysocolla. Secondary base metal mineralogy is also described. This is the first detailed report of the platinum group mineralogy of these deposits.

Publication metadata

Author(s): Elvy SB, Gray ND, McAndrew J, Williams PA, French DR

Publication type: Article

Publication status: Published

Journal: Australian Journal of Mineralogy

Year: 1998

Volume: 4

Issue: 1

Pages: 33-39

Print publication date: 01/01/1998

ISSN (print): 1323-7640

Publisher: Mineralogical Society of Victoria