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

Engelhauptite

Name

—

KCu₃(V₂O₇)(OH)₂Cl

Formula

—

Mineral Species

Entry type

—

Vanadates

Chemical class

—

Hexagonal

Crystal system

—

—

Mohs hardness

—

3.86

Specific gravity

—

Yellow

Streak

—

Vitreous

Luster

—

None

Cleavage

—

P6_3/mmc

Space group

—

—

Structural group

—

Egh · Approved

IMA

—

2013

Named in

—

Yellow-brown to brown with an olive green hue

Typical colors

—

K · Cu · V · O · H · Cl

Elements

—