Compare Minerals
Put any two minerals side by side — formula, structure, hardness, density and more. Type to search each slot.
Name
—
IrBiS
Formula
—
Mineral Species
Entry type
—
Sulfosalts
Chemical class
—
Cubic
Crystal system
—
3.7
Mohs hardness
—
11.96
Specific gravity
—
Black
Streak
—
Metallic. R: (400) 41.3, (420) 45.2, (440) 45.5, (460) 46.0, (480) 46.4, (500) 46.6, (520) 46.9, (540) 47.1
Luster
—
—
Cleavage
—
P2_13
Space group
—
Ullmannite
Structural group
—
Ccg · Approved
IMA
—
1995
Named in
—
Steel-black; in reflected light, bright white with a yellowish tint
Typical colors
—
Ir · Bi · S
Elements
—