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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

R

Name

—

Ca₂Mn²⁺₂B₄O₇(OH)₆

Formula

—

Mineral Species

Entry type

—

Borates

Chemical class

—

Orthorhombic

Crystal system

—

4.5

Mohs hardness

—

2.935

Specific gravity

—

—

Streak

—

—

Luster

—

On {100}, fair; on {001}, {021}, poor

Cleavage

—

Pbam

Space group

—

—

Structural group

—

Rwe · Grandfathered

IMA

—

1937

Named in

—

Pale brown; colorless in transmitted light

Typical colors

—

Ca · Mn · B · O · H

Elements

—