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VS
B
Name
—
CaMn²⁺₂(PO₄)₂
Formula
—
Mineral Species
Entry type
—
Phosphates
Chemical class
—
Monoclinic
Crystal system
—
5
Mohs hardness
—
3.61
Specific gravity
—
Very pale brown
Streak
—
Vitreous
Luster
—
Good on {010} and {100}
Cleavage
—
P2_1/c
Space group
—
Graftonite
Structural group
—
Beu-Ca · Approved
IMA
—
2017
Named in
—
Pale brown, colorless in transmitted light
Typical colors
—
Ca · Mn · P · O
Elements
—