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VS
Hydroxylapatite
Name
—
Ca₅(PO₄)₃OH
Formula
—
Mineral Species
Entry type
—
Phosphates
Chemical class
—
Hexagonal
Crystal system
—
5
Mohs hardness
—
3.14–3.21
Specific gravity
—
white
Streak
—
Vitreous to subresinous, earthy
Luster
—
Poor on {0001} and {1010}
Cleavage
—
P6_3/m
Space group
—
Apatite
Structural group
—
Hap · Approved
IMA
—
1856
Named in
—
White, Colorless, Gray
Typical colors
—
Ca · P · O · H
Elements
—