Compare Minerals
Put any two minerals side by side — formula, structure, hardness, density and more. Type to search each slot.
Name
—
(Fe,Pb)₄S₈O
Formula
—
Mineral Species
Entry type
—
Oxides & Hydroxides
Chemical class
—
Monoclinic
Crystal system
—
3
Mohs hardness
—
3.8
Specific gravity
—
Black
Streak
—
Metallic. Anisotropism: Strong; orange, yellow-orange, greenish gray. Bireflectance: Distinct
Luster
—
On {110}, clearly observed under transmission electron microscopy
Cleavage
—
—
Space group
—
—
Structural group
—
Via · Approved
IMA
—
1993
Named in
—
Yellow; in reflected light, yellow with a brassy hue
Typical colors
—
Fe · Pb · S · O
Elements
—