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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

P

Name

—

AuAgS

Formula

—

Mineral Species

Entry type

—

Sulfides

Chemical class

—

Monoclinic

Crystal system

—

2–2.5

Mohs hardness

—

9.5

Specific gravity

—

Dark gray

Streak

—

Dull metallic. Anisotropism: Slight. R1 –R2: n.d

Luster

—

—

Cleavage

—

—

Space group

—

—

Structural group

—

Pvk · Approved

IMA

—

1983

Named in

—

Dark gray to black

Typical colors

—

Au · Ag · S

Elements

—