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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

Reevesite

Name

—

Ni₆Fe³⁺₂(CO₃)(OH)₁₆·4H₂O

Formula

—

Mineral Species

Entry type

—

Carbonates

Chemical class

—

Hexagonal

Crystal system

—

—

Mohs hardness

—

2.8–2.88

Specific gravity

—

—

Streak

—

—

Luster

—

—

Cleavage

—

—

Space group

—

Hydrotalcite

Structural group

—

Rvs · Approved

IMA

—

1966

Named in

—

Bright yellow, greenish yellow; golden yellow in thin section

Typical colors

—

Ni · Fe · C · O · H

Elements

—