Compare Minerals

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

Mineral A

Mineral B

Name

—

Tl₂S

Formula

—

Mineral Species

Entry type

—

Sulfides

Chemical class

—

Hexagonal

Crystal system

—

Mohs hardness

—

8.1

Specific gravity

—

Dark gray to black

Streak

—

Bright metallic

Luster

—

{0001}, perfect, and an imperfect prismatic cleavage

Cleavage

—

Space group

—

Structural group

—

Cni · Approved

IMA

—

1974

Named in

—

Dark gray, oxidized surfaces become dull and darker; in reflected light, white with faint bluish cast

Typical colors

—

Tl · S

Elements

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