Mineralogy Database

Kingstonite Mineral Data

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General Kingstonite Information

Help on Chemical  Formula: Chemical Formula: (Rh,Ir,Pt)3S4
Help on Composition: Composition: Molecular Weight = 501.41 gm
   Iridium   16.48 %  Ir
   Platinum  11.28 %  Pt
   Rhodium   46.59 %  Rh
   Sulfur    25.64 %  S
            100.00 % 
Help on Empirical Formula: Empirical Formula: Rh2.27Ir0.43Pt0.29S4.01
Help on Environment: Environment: Discovered in a 1.5 cm nugget, the type specimen of "prassoite." Occurs as inclusions in a Pt-Fe alloy.
Help on IMA Status: IMA Status: Approved IMA 1993 (Dana # Added)
Help on Locality: Locality: Bir Bir river, Yubdo district, Wallaga province, Ethiopia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named in honor of Gordon Andrew Kingston (b. 1939), senior lecturer in the Department of Geology, University of Wales, College of Cardiff, Wales, U.K.
Help on Synonym: Synonym: IMA1993-046