Mineral - Crandallite
Crandallite
Chemical Properties
Mineral Class
Phosphates
Toxicity
none
Formula
CaAl₃(PO₄)(PO₃OH)(OH)₆
Unit Cell
Physical Properties
Hardness
5
Streak
white
Density
Normal (2-3,5)
Cleavage
Fracture
Tenacity
Optical Properties
Color
brownorangeyellow
Birefringence
Luster
Vitreous
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
trigonal
Point Group
Space Group
Habit
fibrous, spherical, massive
Formation
Sedimentär (Verwitterung)
Paragenesis
Twinning
Rarity
Rather rare
Synonyms
Crandallite