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Minerals - Cancrinite | TerraCollect
Mineral - Cancrinite
Cancrinite
Na₆Ca₂[(CO₃)₂|Al₆Si₆O₂₄] · 2 H₂O
Chemical Properties
Mineral Class
Silicates
Toxicity
none
Formula
Na₆Ca₂[(CO₃)₂|Al₆Si₆O₂₄] · 2 H₂O
Unit Cell
Physical Properties
Hardness
5 - 6
Streak
white
Density
Normal (2-3,5)
Optical Properties
Color
orange
yellow
colorless
Birefringence
0.020
Luster
Vitreous,
Greasy
Transparency
translucent,
transparent
Pleochroism
Geomineralogical Properties
Crystal System
Groups and Members
Feldspathoid-Supergroup
Cancrinite-Group
Karten-Ebenen
Geologische Karte
Satelliten Karte
Cleavage
Fracture
Tenacity
hexagonal
Point Group
hexagonal-pyramidal - 6
Space Group
P6
3
(173)
Habit
massive,
prismatic
Formation
Verwitterung, Magmatisch
Paragenesis
Twinning
Rarity
Rather rare
Synonyms
Cancrinite
