Mineral - Chabazite-(Na)
Chabazite-(Na)
Chemical Properties
Mineral Class
Silicates
Toxicity
none
Formula
(Na₂,K₂,Ca,Sr,Mg)₂[Al₂Si₄O₁₂]₂ · 12H₂O
Unit Cell
Physical Properties
Hardness
4 - 5
Streak
white
Density
Normal (2-3,5)
Cleavage
Distinct after {101}
Fracture
uneven
Tenacity
Brittle
Optical Properties
Color
colorless
Birefringence
0.003
Luster
Vitreous
Transparency
translucent,
transparent
Pleochroism
Geomineralogical Properties
Crystal System
trigonal
Point Group
ditrigonal-pyramidal - 3m
Space Group
R3m (160)
Habit
Rhombohedron, Cube
Formation
Paragenesis
Twinning
Rarity
Rather rare
Synonyms
Chabazite-(Na), Chabazite