VS
Name
—
Ag₆Cu₁₄As₇
Formula
—
Mineral Species
Entry type
—
Sulfosalts
Chemical class
—
Cubic
Crystal system
—
4.5
Mohs hardness
—
8.38
Specific gravity
—
—
Streak
—
Metallic. R: (400) 49.6, (420) 48.8, (440) 48.0, (460) 46.8, (480) 45.6, (500) 44.5, (520) 43.5, (540) 42.6
Luster
—
—
Cleavage
—
Pm-3m
Space group
—
—
Structural group
—
Kti · Approved
IMA
—
1969
Named in
—
Silvery gray; in polished section, grayish white to pale blue-gray
Typical colors
—
Ag · Cu · As
Elements
—