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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

—

Fe²⁺(SO₄)·4H₂O

Formula

—

Mineral Species

Entry type

—

Sulfates

Chemical class

—

Monoclinic

Crystal system

—

2–3

Mohs hardness

—

2.293

Specific gravity

—

White

Streak

—

Vitreous

Luster

—

—

Cleavage

—

P2_1/n

Space group

—

Starkeyite

Structural group

—

Rzn · Approved

IMA

—

1960

Named in

—

Colorless, white, pale green

Typical colors

—

Fe · S · O · H

Elements

—