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

VS
Marcasite
Marcasite
Name
—
FeS₂
Formula
—
Mineral Species
Entry type
—
Sulfides
Chemical class
—
Orthorhombic
Crystal system
—
6–6.5
Mohs hardness
—
4.887
Specific gravity
—
Grayish or brownish black
Streak
—
Metallic
Luster
—
{101}, rather distinct; {110} in traces
Cleavage
—
Pnnm
Space group
—
Marcasite
Structural group
—
Mrc · Grandfathered
IMA
—
0
Named in
—
Yellow, Gray
Typical colors
—
Fe · S
Elements
—