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Minerals - Vuonnemite | TerraCollect
Mineral - Vuonnemite
Vuonnemite
Na₁₁Ti⁴⁺Nb₂(Si₂O₇)₂(PO₄)₂O₃(F,OH)
Chemical Properties
Mineral Class
Silicates
Toxicity
none
Formula
Na₁₁Ti⁴⁺Nb₂(Si₂O₇)₂(PO₄)₂O₃(F,OH)
Unit Cell
Physical Properties
Hardness
2 - 3
Streak
white
Density
Normal (2-3,5)
Optical Properties
Color
brown
yellow
Birefringence
Luster
Vitreous,
Greasy
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
triclinic
Point Group
Cleavage
Fracture
Tenacity
Space Group
Habit
massive,
tabular
Formation
Magmatisch
Paragenesis
Twinning
Rarity
Very rare
Synonyms
Vuonnemite