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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

Hardystonite

Name

—

Ca₂ZnSi₂O₇

Formula

—

Mineral Species

Entry type

—

Silicates

Chemical class

—

Tetragonal

Crystal system

—

4

Mohs hardness

—

3.4–3.44

Specific gravity

—

white

Streak

—

Vitreous

Luster

—

{001}, good; {100} and {110}, poor

Cleavage

—

P-42_1m

Space group

—

Melilite

Structural group

—

Hdy · Grandfathered

IMA

—

1899

Named in

—

White, Gray

Typical colors

—

Ca · Zn · Si · O

Elements

—