VS
Name
—
(Cu,Zn,Fe)₃(In,Sn)S₄
Formula
—
Mineral Species
Entry type
—
Sulfides
Chemical class
—
Cubic
Crystal system
—
4
Mohs hardness
—
4.45
Specific gravity
—
Lead-gray with olive tint
Streak
—
Metallic. Anisotropism: Nearly isotropic. R1 –R2: (400) 22.5, (420) 22.5, (440) 22.5, (460) 22.6, (480) 22.6
Luster
—
—
Cleavage
—
—
Space group
—
Sphalerite, Stannite
Structural group
—
Sak · Approved
IMA
—
1965
Named in
—
Greenish steel-gray; in polished section, purplish olive- gray with a red tint
Typical colors
—
Cu · Zn · Fe · In · Sn · S
Elements
—