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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

Foggite

Name

—

CaAl(PO₄)(OH)₂·H₂O

Formula

—

Mineral Species

Entry type

—

Phosphates

Chemical class

—

Orthorhombic

Crystal system

—

4

Mohs hardness

—

2.78

Specific gravity

—

—

Streak

—

—

Luster

—

{010}, perfect; {100}, good

Cleavage

—

A2_122

Space group

—

—

Structural group

—

Fgg · Approved

IMA

—

1973

Named in

—

Colorless to snow-white

Typical colors

—

Ca · Al · P · O · H

Elements

—