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

VS
M
Name
—
Na   MnMg₂[AsO₄]₂[AsO₂(OH)₂]
Formula
—
Mineral Species
Entry type
—
Arsenates
Chemical class
—
Monoclinic
Crystal system
—
2.5
Mohs hardness
—
3.957
Specific gravity
—
White to very pale pink
Streak
—
Vitreous
Luster
—
Perfect on {010} and {101}
Cleavage
—
C2/c
Space group
—
Alluaudite
Structural group
—
Mcan · Approved
IMA
—
2016
Named in
—
Pale brownish pink to rose-pink
Typical colors
—
Na · Mn · Mg · As · O · H
Elements
—