Compare Minerals

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

Mineral A

Mineral B

Ralphcannonite

Name

—

AgZn₂TlAs₂S₆

Formula

—

Mineral Species

Entry type

—

Sulfosalts

Chemical class

—

Tetragonal

Crystal system

—

2–2.5

Mohs hardness

—

4.927

Specific gravity

—

Black

Streak

—

Metallic

Luster

—

None observed

Cleavage

—

I-42m

Space group

—

Routhierite

Structural group

—

Rcn · Approved

IMA

—

2014

Named in

—

Black; grayish in reflected light, with very weak internal reflections

Typical colors

—

Ag · Zn · Tl · As · S

Elements

—