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

VS
Pyrolusite
Pyrolusite
Name
—
MnO₂
Formula
—
Mineral Species
Entry type
—
Oxides & Hydroxides
Chemical class
—
Tetragonal
Crystal system
—
6–6.5
Mohs hardness
—
5.06
Specific gravity
—
Black, bluish black
Streak
—
Metallic
Luster
—
{110}, perfect
Cleavage
—
P4_2/mnm
Space group
—
Rutile
Structural group
—
Pyl · Approved
IMA
—
1827
Named in
—
Gray, Black
Typical colors
—
Mn · O
Elements
—