VS
Name
—
Ca₂Al₇(PO₄)₂(PO₃OH)₂(OH,F)₁₅·8H₂O
Formula
—
Mineral Species
Entry type
—
Phosphates
Chemical class
—
Hexagonal
Crystal system
—
3
Mohs hardness
—
2.46
Specific gravity
—
White
Streak
—
Vitreous, pearly (aggregates)
Luster
—
Perfect, {001}
Cleavage
—
P321
Space group
—
—
Structural group
—
Igy · Approved
IMA
—
2009
Named in
—
Colorless to white or cream, white, yellowish, or light pink
Typical colors
—
Ca · Al · P · O · H · F
Elements
—