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

VS
Dufrénoysite
Name
—
Pb₂As₂S₅
Formula
—
Mineral Species
Entry type
—
Sulfosalts
Chemical class
—
Monoclinic
Crystal system
—
3
Mohs hardness
—
5.5–5.57
Specific gravity
—
Reddish brown to chocolate-brown
Streak
—
Metallic
Luster
—
{010}, perfect
Cleavage
—
P2_1
Space group
—
Sartorite
Structural group
—
Duf · Grandfathered
IMA
—
1845
Named in
—
Lead-gray to steel-gray; in polished section, white, may show deep red internal reflections
Typical colors
—
Pb · As · S
Elements
—