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

VS
S
Name
—
Ag₃CuSe₂
Formula
—
Mineral Species
Entry type
—
Sulfides
Chemical class
—
Tetragonal
Crystal system
—
4–4.5
Mohs hardness
—
7.65
Specific gravity
—
Black
Streak
—
Metallic
Luster
—
None
Cleavage
—
I4_1/amd
Space group
—
Jalpaite
Structural group
—
Sjal · Approved
IMA
—
2004
Named in
—
Dark gray, light gray in reflected light
Typical colors
—
Ag · Cu · Se
Elements
—