Formula: (Cu,Zn,Fe)3(In,Sn)S4
Origin of name: for K. Sakurai, Japanese amateur mineralogist
Crystal system: cubic or tetragonal
Crystal class: 432 or -43m
Twinning:
Unit cell:
Colour: greenish steel-gray
Diaphaneity:
Luster: metallic
Habit: massive, exsolution-like texture with stannite in polished section
Hardness: 4
Specific gravity: 4.45
Cleavage: none
Tenacity:
Streak: lead-gray with olive tint
Synonyms/varieties:
Comments:
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