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VS
Gatumbaite
Name
—
CaAl₂(PO₄)₂(OH)₂·H₂O
Formula
—
Mineral Species
Entry type
—
Phosphates
Chemical class
—
Monoclinic
Crystal system
—
5
Mohs hardness
—
2.92
Specific gravity
—
—
Streak
—
Pearly
Luster
—
One, k to the [010] fiber axis
Cleavage
—
—
Space group
—
—
Structural group
—
Gtb · Approved
IMA
—
1976
Named in
—
White
Typical colors
—
Ca · Al · P · O · H
Elements
—