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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

G

Georgerobinsonite

Name

—

Pb₄(CrO₄)₂(OH)₂FCl

Formula

—

Mineral Species

Entry type

—

Chromates

Chemical class

—

Orthorhombic

Crystal system

—

2.5–3

Mohs hardness

—

3.54

Specific gravity

—

Pale orange

Streak

—

Adamantine

Luster

—

None

Cleavage

—

Pmmn

Space group

—

—

Structural group

—

Grb · Approved

IMA

—

2009

Named in

—

Orange-red

Typical colors

—

Pb · Cr · O · H · F · Cl

Elements

—