Cameronite

Formula:  AgCu₇Te₁₀

Origin of name:  For Eugene N. Cameron (1910- ), American mineralogist, University of Wisconsin

Crystal system:  Tetragonal

Crystal class:  4/m 2/m 2/m

Twinning:

Unit cell: a = 12.695 Å, c = 42.186 Å

Colour:  Gray

Diaphaneity:  Opaque

Luster:  Metallic

Habit:  Anhedral grains to 200 µm

Hardness:  3.5 to 4

Specific gravity:  7.14

Cleavage:  None

Tenacity: Brittle, subconchoidal fracture

Streak: Black

Synonyms/varieties:

Comments: One of the tellerium-bearing metallic minerals in hydrothermal deposits