Mineral - Tilleyite
Tilleyite
Chemical Properties
Mineral Class
Silicates
Toxicity
none
Formula
Ca₅(Si₂O₇)(CO₃)₂
Unit Cell
Physical Properties
Hardness
4
Streak
white
Density
Normal (2-3,5)
Cleavage
Fracture
Tenacity
Optical Properties
Color
whitecolorless
Birefringence
Luster
Earthy
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
monoclinic
Point Group
Space Group
Habit
coarse, massive
Formation
Metasomatose
Paragenesis
Twinning
Rarity
Very rare
Synonyms
Tilleyite