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

VS
Umangite
Umangite
Name
—
Cu₃Se₂
Formula
—
Mineral Species
Entry type
—
Sulfides
Chemical class
—
Tetragonal
Crystal system
—
3
Mohs hardness
—
6.44–6.49
Specific gravity
—
Black
Streak
—
—
Luster
—
Poor, rectangular
Cleavage
—
P-42_1m
Space group
—
—
Structural group
—
Um · Grandfathered
IMA
—
1891
Named in
—
Bluish black with reddish cast, weathers to a dull iridescent purple
Typical colors
—
Cu · Se
Elements
—