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Minerals - Gonnardite | TerraCollect
Mineral - Gonnardite
Gonnardite
(Na,Ca)₂(Si,Al)₅O₁₀ · 3H₂O
Chemical Properties
Mineral Class
Silicates
Toxicity
none
Formula
(Na,Ca)₂(Si,Al)₅O₁₀ · 3H₂O
Unit Cell
Physical Properties
Hardness
4 - 5
Streak
white
Density
Normal (2-3,5)
Optical Properties
Color
white
orange
yellow
Birefringence
Luster
Silky
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
orthorhombic
Cleavage
Fracture
Tenacity
Point Group
Space Group
Habit
spherical,
massive,
kidney-shaped,
prismatic,
grape-shaped
Formation
hydrothermal, Magmatisch
Paragenesis
Twinning
Rarity
Rarely
Synonyms
Gonnardite
