Mineral - Sursassite
Sursassite
Chemical Properties
Mineral Class
Silicates
Toxicity
none
Formula
Mn²⁺₂Al₃(SiO₄)(Si₂O₇)(OH)₃
Unit Cell
Physical Properties
Hardness
4.5
Streak
brown
Density
Cleavage
Fracture
Tenacity
Optical Properties
Color
brownred
Birefringence
Luster
Vitreous,
Greasy
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
monoclinic
Point Group
Space Group
Habit
fibrous, acicular, prismatic, radial
Formation
Metamorphose
Paragenesis
Twinning
Rarity
Rarely
Synonyms
Sursassite