Compare Minerals

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

Mineral A

Mineral B

Joesmithite

Name

—

Pb²⁺Ca₂(Mg₃Fe³⁺₂)(Si₆Be₂)O₂₂(OH)₂

Formula

—

Mineral Species

Entry type

—

Silicates

Chemical class

—

Monoclinic

Crystal system

—

5.5

Mohs hardness

—

3.83

Specific gravity

—

Pale brown

Streak

—

Subadamantine

Luster

—

Perfect on {110}

Cleavage

—

P2/a

Space group

—

Amphibole

Structural group

—

Joe · Approved

IMA

—

1968

Named in

—

Black; olive-brown in thin fragments

Typical colors

—

Pb · Ca · Mg · Fe · Si · Be · O · H

Elements

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