Danbaite

Formula:  CuZn₂

Origin of name:  From locality, Danba, China

Crystal system:  Cubic

Crystal class:  Unknown

Twinning:

Unit cell: a = 7.7615 Å

Colour:  Silver-white to gray-white;

Diaphaneity:  Opaque

Luster:  Metallic

Habit:  Tiny botryoidal and spherulitic aggregates; rims on chromium

Hardness:  4

Specific gravity:  7.36

Cleavage:  None

Tenacity:

Streak:

Synonyms/varieties:

Comments: Found in a platinum-bearing Cu-Ni deposit in highly altered ultramafic intrusion