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Minerals - Gmelinite-(Na) | TerraCollect
Mineral - Gmelinite-(Na)
Gmelinite-(Na)
Na₄(Si₈Al₄O₂₄] · 11H₂O
Chemical Properties
Mineral Class
Silicates
Toxicity
none
Formula
Na₄(Si₈Al₄O₂₄] · 11H₂O
Unit Cell
Physical Properties
Hardness
4.5
Streak
white
Density
Normal (2-3,5)
Optical Properties
Color
orange
yellow
colorless
Birefringence
Luster
Vitreous
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
hexagonal
Cleavage
Fracture
Tenacity
Point Group
Space Group
Habit
pyramidal,
Rhombohedron
Formation
hydrothermal, Magmatisch
Paragenesis
Twinning
Rarity
Rather rare
Synonyms
Gmelinite-(Na)
