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

VS
P
Name
—
As
Formula
—
Mineral Species
Entry type
—
Native Elements
Chemical class
—
Orthorhombic
Crystal system
—
2–2.5
Mohs hardness
—
5.88
Specific gravity
—
Black
Streak
—
Metallic
Luster
—
Perfect on {001}
Cleavage
—
—
Space group
—
—
Structural group
—
Pasl · Approved
IMA
—
1999
Named in
—
Lead-gray; white with a slight greenish blue tint in reflected light
Typical colors
—
As
Elements
—