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

—

Tl₃AsS₄

Formula

—

Mineral Species

Entry type

—

Sulfosalts

Chemical class

—

Orthorhombic

Crystal system

—

2–2.5

Mohs hardness

—

6.185

Specific gravity

—

Streak

—

Vitreous, tarnishing to metallic

Luster

—

Cleavage

—

Pnma

Space group

—

Structural group

—

Fg · Approved

IMA

—

1991

Named in

—

Deep red to maroon, tarnishing to darker colors; blue-gray in reflected light

Typical colors

—

Tl · As · S

Elements

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