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Minerals - Wilkinsonite | TerraCollect
Mineral - Wilkinsonite
Wilkinsonite
Na₂Fe²⁺₄Fe³⁺₂(Si₆O₁₈)O₂
Chemical Properties
Mineral Class
Silicates
Toxicity
none
Formula
Na₂Fe²⁺₄Fe³⁺₂(Si₆O₁₈)O₂
Unit Cell
Physical Properties
Hardness
5
Streak
brown
Density
Optical Properties
Color
black
Birefringence
Luster
Vitreous
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
triclinic
Point Group
Cleavage
Fracture
Tenacity
Space Group
Habit
acicular,
prismatic,
prismatic
Formation
Magmatisch, Vulkanisch
Paragenesis
Twinning
Rarity
Very rare
Synonyms
Wilkinsonite
