VS
Name
—
Ca₉Mn²⁺₄Al₂(PO₄)₁₀(OH)₂
Formula
—
Mineral Species
Entry type
—
Phosphates
Chemical class
—
Monoclinic
Crystal system
—
5
Mohs hardness
—
3.24–3.35
Specific gravity
—
—
Streak
—
Subadamantine, may be vitreous to resinous
Luster
—
On {001}, fair
Cleavage
—
C2/m
Space group
—
—
Structural group
—
Sms · Approved
IMA
—
1974
Named in
—
Colorless, white
Typical colors
—
Ca · Mn · Al · P · O · H
Elements
—