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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

Armalcolite

Name

—

(Mg,Fe²⁺)Ti₂O₅

Formula

—

Mineral Species

Entry type

—

Oxides & Hydroxides

Chemical class

—

Orthorhombic

Crystal system

—

5

Mohs hardness

—

4.94

Specific gravity

—

—

Streak

—

Metallic

Luster

—

—

Cleavage

—

Bbmm

Space group

—

Pseudobrookite

Structural group

—

Arm · Approved

IMA

—

1970

Named in

—

Gray to tan in reflected light

Typical colors

—

Mg · Fe · Ti · O

Elements

—