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

VS
F
Name
—
Mn²⁺₂Mn³⁺(AsO₄)(OH)₄
Formula
—
Mineral Species
Entry type
—
Arsenates
Chemical class
—
Orthorhombic
Crystal system
—
4.5
Mohs hardness
—
3.87
Specific gravity
—
—
Streak
—
Vitreous, resinous to somewhat greasy
Luster
—
—
Cleavage
—
Pnma
Space group
—
Allactite
Structural group
—
Fln · Grandfathered
IMA
—
1889
Named in
—
Greenish brown, dark green, dark yellow-brown; brownish yellowish green in transmitted light
Typical colors
—
Mn · As · O · H
Elements
—