Mineral - Trona
Trona
Chemical Properties
Mineral Class
Carbonates
Toxicity
none
Formula
Na₃H(CO₃)₂ · 2H₂O
Unit Cell
Physical Properties
Hardness
2.5 - 3
Streak
white
Density
Normal (2-3,5)
Cleavage
Fracture
Tenacity
Optical Properties
Color
whitegrayyellowcolorless
Birefringence
Luster
Vitreous
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
monoclinic
Point Group
Space Group
Habit
coarse, fibrous, massive, prismatic, columnar
Formation
Sedimentär, Evaporit
Paragenesis
Twinning
Rarity
Very common
Synonyms
Trona