Mineral - Erionite-(K)
Erionite-(K)
Chemical Properties
Mineral Class
Silicates
Toxicity
none
Formula
(K₂,Ca,Na₂)₂[Al₄Si₁₄O₃₆] · 15H₂O
Unit Cell
Physical Properties
Hardness
3.5 - 4
Streak
Density
Cleavage
Fracture
Tenacity
Optical Properties
Color
Birefringence
Luster
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
hexagonal
Point Group
Space Group
Habit
Formation
Paragenesis
Twinning
Rarity
Synonyms
Erionite-(K)