Formula: (Cu,Zn)Al
Origin of name: From copper and aluminium
Crystal system: Orthorhombic
Crystal class: Unknown
Twinning:
Unit cell: a = 6.95 Å, b = 4.16 Å, c = 10.04 Å
Colour: Yellow
Diaphaneity: Opaque
Luster: Metallic
Habit: Myrmekitic and dendritic drop-like grains to 5 x 35 microns within first generation khatyrkite, and as rounded or irregular grains to 20 μm in cracks and interstices in second generation khatyrkite
Hardness: 4 to 4.5
Specific gravity: 5.12
Cleavage:
Tenacity:
Streak:
Synonyms/varieties:
Comments: Found in black slick washed from greenish gray cover weathering from serpentine.
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