Mineral - Hubeite
Hubeite
Chemical Properties
Mineral Class
Silicates
Toxicity
none
Formula
Ca₂Mn²⁺Fe³⁺[OH|Si₄O₁₂]·2H₂O
Unit Cell
Physical Properties
Hardness
5.5
Streak
brown
Density
Normal (2-3,5)
Cleavage
Fracture
Tenacity
Optical Properties
Color
brown
Birefringence
Luster
Vitreous
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
triclinic
Point Group
Space Group
Habit
rosette, tabular
Formation
Metasomatose
Paragenesis
Twinning
Rarity
Rarely
Synonyms
Hubeite