Insizwaite

Formula:  Pt(Bi,Sb)2

Origin of name:  From Locality; Insizwa deposit, South Afrika

 

Crystal system:  Cubic

Crystal class:  2/m -3

Twinning: 

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Colour:  White in polished section

Diaphaneity: 

Luster:  Metallic

Habit:  Massive; rounded grains

Hardness:  5 to 5.5

Specific gravity:  12.8

Cleavage:  None

Tenacity: 

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