Compare Minerals

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

Mineral A

Mineral B

Name

—

(Cu,Fe)₂₁Pb₂S₁₅

Formula

—

Mineral Species

Entry type

—

Sulfides

Chemical class

—

Orthorhombic

Crystal system

—

3–3.5

Mohs hardness

—

5.96–6.05

Specific gravity

—

Streak

—

Luster

—

In three directions

Cleavage

—

Immm

Space group

—

Structural group

—

Bkh · Grandfathered

IMA

—

1955

Named in

—

Black; in polished section, bright cream parallel to elongation, stronger yellowish cream perpendicular

Typical colors

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Cu · Fe · Pb · S

Elements

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