Mineral - Denisovite
Denisovite
Chemical Properties
Mineral Class
Silicates
Toxicity
none
Formula
Ca₂(K,Na)[Si₃O₈(F,OH)]
Unit Cell
Physical Properties
Hardness
4 - 5
Streak
white
Density
Normal (2-3,5)
Cleavage
Fracture
Tenacity
Optical Properties
Color
browngraygreen
Birefringence
Luster
Greasy,
Pearly
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
monoclinic
Point Group
Space Group
Habit
fibrous
Formation
Magmatisch (Alkalisch)
Paragenesis
Twinning
Rarity
Rarely
Synonyms
Denisovite