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Minerals - Poudretteite | TerraCollect
Mineral - Poudretteite
Poudretteite
KNa₂B₃Si₁₂O₃₀
Chemical Properties
Mineral Class
Silicates
Toxicity
none
Formula
KNa₂B₃Si₁₂O₃₀
Unit Cell
Physical Properties
Hardness
5
Streak
white
Density
Normal (2-3,5)
Optical Properties
Color
pink
colorless
Birefringence
Luster
Vitreous
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
hexagonal
Point Group
Cleavage
Fracture
Tenacity
Space Group
Habit
prismatic
Formation
Metasomatose (Kontaktmetamorphose)
Paragenesis
Twinning
Rarity
Rare
Synonyms
Poudretteite
