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VS
W
Name
—
Mn²⁺Mn²⁺Mg₂Al₂(PO₄)₄(OH)₂·8H₂O
Formula
—
Mineral Species
Entry type
—
Phosphates
Chemical class
—
Monoclinic
Crystal system
—
4
Mohs hardness
—
2.61
Specific gravity
—
Pale orange
Streak
—
Vitreous
Luster
—
Good on {001}
Cleavage
—
P2/a
Space group
—
Jahnsite
Structural group
—
Wt-MnMnMg · Approved
IMA
—
2015
Named in
—
Reddish orange
Typical colors
—
Mn · Mg · Al · P · O · H
Elements
—