Compare Minerals

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

Mineral A

Mineral B

Name

—

KAl₂(PO₄)₂F·4H₂O

Formula

—

Mineral Species

Entry type

—

Phosphates

Chemical class

—

Orthorhombic

Crystal system

—

3.5

Mohs hardness

—

2.45

Specific gravity

—

Streak

—

Vitreous, silky in aggregates

Luster

—

Cleavage

—

Pba2

Space group

—

Structural group

—

Myu · Grandfathered

IMA

—

1933

Named in

—

Colorless to white, greenish yellow; colorless in transmitted light

Typical colors

—

K · Al · P · O · F · H

Elements

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