Mineral - Planerite
Planerite
Chemical Properties
Mineral Class
Phosphates
Toxicity
none
Formula
Al₆(PO₄)₂(PO₃OH)₂(OH)₈ · 4H₂O
Unit Cell
Physical Properties
Hardness
5
Streak
white
Density
Normal (2-3,5)
Cleavage
Fracture
Tenacity
Optical Properties
Color
greenblue
Birefringence
Luster
Vitreous,
Waxy
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
triclinic
Point Group
Space Group
Habit
spherical, spherulitic, grape-shaped
Formation
Sekundär, Oxidationszone von Aluminium-Lagerstätten
Paragenesis
Twinning
Rarity
Rarely
Synonyms
Planerite