Cabriite

Formula:  Pb₂SnCu

Origin of name:  For Louis Cabri, Canadian mineralogist

Crystal system:  Orthorhombic

Crystal class:  2/m 2/m 2/m

Twinning: Polysynthetic

Unit cell: a = 7.88 Å, b = 7.88 Å, c = 3.94 Å

Colour:  White with a grayish tinge

Diaphaneity: Opaque

Luster:  Metallic

Habit:  Anhedral grains

Hardness:  4

Specific gravity:  10.7

Cleavage:  None

Tenacity:

Streak:

Synonyms/varieties:

Comments: Found as grains to 200 μm in massive mooihoekite