Compare Minerals

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

Mineral A

Mineral B

Hanawaltite

Name

—

Hg¹⁺₆Hg²⁺O₃Cl₂

Formula

—

Mineral Species

Entry type

—

Halides

Chemical class

—

Orthorhombic

Crystal system

—

Mohs hardness

—

9.51

Specific gravity

—

Black to dark red-brown

Streak

—

Metallic

Luster

—

{001}, good

Cleavage

—

Pbma

Space group

—

Structural group

—

Hnw · Approved

IMA

—

1994

Named in

—

Black to very dark brown-black; in reflected light, gray, may have red-orange internal reflections

Typical colors

—

Hg · O · Cl

Elements

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