Mineral - Purpurite
Purpurite
Chemical Properties
Mineral Class
Phosphates
Toxicity
none
Formula
(Mn³⁺,Fe³⁺)PO₄
Unit Cell
Physical Properties
Hardness
4 - 4.5
Streak
pink
Density
Normal (2-3,5)
Cleavage
Fracture
Tenacity
Optical Properties
Color
redviolet
Birefringence
Luster
Silky
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
orthorhombic
Point Group
Space Group
Habit
coarse, massive
Formation
Oxidationszone von anderen Phosphaten, Pegmatite
Paragenesis
Twinning
Rarity
Rather rare
Synonyms
Purpurite