Mineral - Crichtonite
Crichtonite
Chemical Properties
Mineral Class
Oxides and Hydrxides
Toxicity
none
Formula
Sr(Mn,Y,U)Fe₂(Ti,Fe,Cr,V)₁₈(O,OH)₃₈
Unit Cell
Physical Properties
Hardness
5 - 6
Streak
Density
Cleavage
Fracture
Tenacity
Optical Properties
Color
Birefringence
Luster
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
trigonal
Point Group
Space Group
Habit
Formation
Paragenesis
Twinning
Rarity
Synonyms
Crichtonite