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Minerals - Hydroxylapatite | TerraCollect
Mineral - Hydroxylapatite
Hydroxylapatite
Ca₅[OH|(PO₄)₃]
Chemical Properties
Mineral Class
Phosphates
Toxicity
none
Formula
Ca₅[OH|(PO₄)₃]
Unit Cell
Physical Properties
Hardness
5
Streak
white
Density
Normal (2-3,5)
Optical Properties
Color
white
black
brown
yellow
green
Birefringence
Luster
Vitreous,
Greasy
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
Cleavage
Fracture
Tenacity
hexagonal
Point Group
Space Group
Habit
prismatic,
grape-shaped
Formation
hydrothermal, Metamorphose
Paragenesis
Twinning
Rarity
Rarely
Synonyms
Hydroxylapatite
