Compare Minerals

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

Mineral A

Mineral B

Usovite

Name

—

Ba₂CaMgAl₂F₁₄

Formula

—

Mineral Species

Entry type

—

Halides

Chemical class

—

Monoclinic

Crystal system

—

3.5

Mohs hardness

—

4.26

Specific gravity

—

White

Streak

—

Vitreous to greasy

Luster

—

One direction, perfect; another at 44° to the first noted under the microscope

Cleavage

—

C2/c

Space group

—

Structural group

—

Usv · Approved

IMA

—

1966

Named in

—

Brown to dark brown, spotty; yellowish brown in transmitted light

Typical colors

—

Ba · Ca · Mg · Al · F

Elements

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