Compare Minerals
Put any two minerals side by side — formula, structure, hardness, density and more. Type to search each slot.
Name
—
V³⁺₂V⁴⁺O₅
Formula
—
Mineral Species
Entry type
—
Vanadates
Chemical class
—
Monoclinic
Crystal system
—
7–7.5
Mohs hardness
—
4.66
Specific gravity
—
Black
Streak
—
Resinous. R: (440) 17.8, (460) 18, (480) 18.2, (520) 18.6, (520) 18.6, (540) 18.8, (560) 18.9, (580) 19, (600) 19.1
Luster
—
None
Cleavage
—
C2/c
Space group
—
Berdesinskiite
Structural group
—
Oxy · Approved
IMA
—
2008
Named in
—
Black; pale cream in reflected light
Typical colors
—
V · O
Elements
—