The open encyclopedia of minerals
Mineralogist.org
Minerals A–ZSearchCollectionsBrowse by PropertyIdentify a SpecimenCompare MineralsLocalities MapGlossaryContribute Search the Database →

Compare Minerals

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

VS
S
Name
—
(Cu₁₋ₓAgₓ)₂Te, (x≈0.4)
Formula
—
Mineral Species
Entry type
—
Sulfides
Chemical class
—
Hexagonal
Crystal system
—
3
Mohs hardness
—
4.6
Specific gravity
—
Black
Streak
—
Metallic
Luster
—
None
Cleavage
—
P-3c1
Space group
—
Fluorite
Structural group
—
Srv · Approved
IMA
—
2019
Named in
—
Black, dark bluish black in reflected light
Typical colors
—
Cu · Ag · Te
Elements
—