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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

B

Name

—

K₂Na₈Ca(SO₄)₆

Formula

—

Mineral Species

Entry type

—

Sulfates

Chemical class

—

Hexagonal

Crystal system

—

2–3

Mohs hardness

—

2.656

Specific gravity

—

White

Streak

—

Vitreous

Luster

—

—

Cleavage

—

P31c

Space group

—

Aphthitalite

Structural group

—

Bub · Approved

IMA

—

2014

Named in

—

Colorless, turns white on exposure to air

Typical colors

—

K · Na · Ca · S · O

Elements

—