Compare Minerals

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

Mineral A

Mineral B

Metavoltine

Name

—

K₂Na₆Fe²⁺Fe³⁺₆O₂(SO₄)₁₂·18H₂O

Formula

—

Mineral Species

Entry type

—

Sulfates

Chemical class

—

Hexagonal

Crystal system

—

2.5

Mohs hardness

—

2.51

Specific gravity

—

Streak

—

Resinous

Luster

—

Perfect on {0001}

Cleavage

—

Space group

—

Metavoltine

Structural group

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Mvt · Grandfathered

IMA

—

1883

Named in

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Yellowish brown, orange-brown, greenish brown

Typical colors

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K · Na · Fe · O · S · H

Elements

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