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Put any two minerals side by side — formula, structure, hardness, density and more. Type to search each slot.

VS
Y
Name
—
Cu₉O₂(VO₄)₄Cl₂
Formula
—
Mineral Species
Entry type
—
Vanadates
Chemical class
—
Triclinic
Crystal system
—
3.5
Mohs hardness
—
4.86
Specific gravity
—
Reddish black
Streak
—
Metallic to adamantine
Luster
—
None
Cleavage
—
P-1
Space group
—
—
Structural group
—
Yro · Approved
IMA
—
2012
Named in
—
Black; gray with weak bluish tint in reflected light
Typical colors
—
Cu · O · V · Cl
Elements
—