The open encyclopedia of minerals

Glossary Cite the database

Mineralogist.org

Minerals A–Z Search Collections Browse by Property Identify a Specimen Compare Minerals Localities Map Glossary Contribute Search the Database →

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

Peretaite

Name

—

CaSb³⁺₄O₄(SO₄)₂(OH)₂·2H₂O

Formula

—

Mineral Species

Entry type

—

Sulfates

Chemical class

—

Monoclinic

Crystal system

—

—

Mohs hardness

—

3.8

Specific gravity

—

—

Streak

—

Vitreous

Luster

—

On {100}, perfect

Cleavage

—

C2/c

Space group

—

—

Structural group

—

Pta · Approved

IMA

—

1979

Named in

—

Colorless, pink to red from incrustations of valentinite

Typical colors

—

Ca · Sb · O · S · H

Elements

—