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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

Otjisumeite

Name

—

PbGe₄O₉

Formula

—

Mineral Species

Entry type

—

Oxides & Hydroxides

Chemical class

—

Triclinic

Crystal system

—

3

Mohs hardness

—

5.77

Specific gravity

—

White

Streak

—

Greasy to subadamantine

Luster

—

{001}, interrupted

Cleavage

—

—

Space group

—

—

Structural group

—

Otj · Approved

IMA

—

1978

Named in

—

Colorless to white

Typical colors

—

Pb · Ge · O

Elements

—