Formula: Cu39S28
Origin of name: after locality Spionkop Creek, Canada
Crystal system: hexagonal
Crystal class: -3 2/m
Twinning:
Unit cell:
Colour: blue
Diaphaneity: opaque
Luster: metallic
Habit: replaces other copper minerals
Hardness: 2.5
Specific gravity: 5.13
Cleavage: none
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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