Kuramite

Formula:  Cu3SnS4

Origin of name:  After locality; Kuramin Mts., Uzbekistan

 

Crystal system:  Tetragonal

Crystal class:  -42m

Twinning: 

Unit cell: 

 

Colour:  Gray

Diaphaneity:  Opaque

Luster:  Metallic

Habit:  Grains, submincroscopic

Hardness:  4.5

Specific gravity:  4.56

Cleavage:  None

Tenacity: 

Streak:  Metallic

 

Synonyms/varieties:

 

Comments: 

 

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