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Compare Minerals

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

Mineral A

VS

Mineral B

Montbrayite

Name

—

(Au,Ag,Sb,Bi,Pb)₂₃(Te,Sb,Bi,Pb)₃₈

Formula

—

Mineral Species

Entry type

—

Sulfosalts

Chemical class

—

Triclinic

Crystal system

—

2.5

Mohs hardness

—

9.94

Specific gravity

—

—

Streak

—

Metallic

Luster

—

{110}, {011}, {111}

Cleavage

—

P1

Space group

—

—

Structural group

—

Mnb · Grandfathered

IMA

—

1946

Named in

—

Yellowish white

Typical colors

—

Au · Ag · Sb · Bi · Pb · Te

Elements

—