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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

Q

Name

—

Fe²⁺₂Nb₂W⁶⁺O₁₀

Formula

—

Mineral Species

Entry type

—

Oxides & Hydroxides

Chemical class

—

Orthorhombic

Crystal system

—

—

Mohs hardness

—

6.3

Specific gravity

—

Dark brown

Streak

—

Semimetallic to metallic

Luster

—

{100}, distinct

Cleavage

—

Pbcn

Space group

—

Columbite

Structural group

—

Qit · Approved

IMA

—

1983

Named in

—

Black; yellowish white in reflected light

Typical colors

—

Fe · Nb · W · O

Elements

—