VS
Name
—
Cu¹⁺(Ir³⁺Pt⁴⁺)S₄
Formula
—
Mineral Species
Entry type
—
Sulfides
Chemical class
—
Cubic
Crystal system
—
5
Mohs hardness
—
—
Specific gravity
—
Black
Streak
—
Metallic. R: (400) —, (420) —, (440) —, (460) 34.8, (480) 35.3, (500) 35.8, (520) 36.3, (540) 36.5, (560) 36.7
Luster
—
On {111}, may be observed
Cleavage
—
Fd3m
Space group
—
Spinel
Structural group
—
Mla · Approved
IMA
—
1995
Named in
—
Steel-gray; in polished section, bright white with a faint brown to green tint
Typical colors
—
Cu · Ir · Pt · S
Elements
—