VS
Name
—
(Cu₄ ₂)Cu₆Te₄S₁₃
Formula
—
Mineral Species
Entry type
—
Sulfides
Chemical class
—
Cubic
Crystal system
—
3–3.5
Mohs hardness
—
4.95
Specific gravity
—
—
Streak
—
Metallic. R: (400) 30.7, (420) 30.7, (440) 30.7, (460) 30.7, (480) 30.7, (500) 30.7, (520) 30.6, (540) 30.6
Luster
—
—
Cleavage
—
I-43m
Space group
—
Tetrahedrite
Structural group
—
Gf · Approved
IMA
—
1909
Named in
—
Dark lead-gray
Typical colors
—
Cu · Te · S
Elements
—