Compare Minerals

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

Mineral A

Mineral B

Polloneite

Name

—

AgPb₄₆As₂₆Sb₂₃S₁₂₀

Formula

—

Mineral Species

Entry type

—

Sulfosalts

Chemical class

—

Monoclinic

Crystal system

—

3–3.5

Mohs hardness

—

5.77

Specific gravity

—

Black

Streak

—

Metallic. Anisotropism: Moderate in brown-violet and deep gray tints. Bireflectance: Moderate

Luster

—

None

Cleavage

—

P2_1

Space group

—

Sartorite

Structural group

—

Plo · Approved

IMA

—

2014

Named in

—

Grayish black; white in reflected light

Typical colors

—

Ag · Pb · As · Sb · S

Elements

—