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$1,325

RAREST FORM OF PLATINUM Platinum Arsenide Cubes Ore

Last updated about 3 years ago in Bothell, WA

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RAREST FORM OF PLATINUM Platinum Arsenide Cubes Ore

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RAREST FORM OF PLATINUM ORE PLATINUM ARSENIDE CUBED CRYSTALS CLUSTER ORE unlike other PLATINUM ores which contain .10 -Max 10 percent platinum which takes nearly 1ton to get a gram of platinum, whereas sperrylite contains anywhere from 40 to 70% platinum of each crystal plus there is always gold and silver traces within each crystal Sperrylite is a platinum arsenide mineral with the chemical formula PtAs2 and is an opaque metallic tin white mineral which crystallizes in the isometric system with the pyrite group structure. It forms cubic, octahedral or pyritohedral crystals in addition to massive and reniform habits. It has a Mohs hardness of 6 - 7 and a very high specific gravity of 10.6. CategoryArsenide mineral Pyrite groupFormula (repeating unit)PtAs2IMA symbolSpy[1]Strunz classification2.EB.05aCrystal systemIsometricCrystal classDiploidal (m3) H-M symbol: (2/m 3)Space groupPa3Unit cella = 5.967 Å, Z = 4IdentificationColorTin whiteCrystal habitWell-formed finely crystalline, massive to reniformCleavageIndistinct on {001}FractureConchoidalTenacityBrittleMohs scale hardness6 - 7LusterMetallicStreakBlackSpecific gravity10.58

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