Mineral - Fenaksite
Fenaksite
Chemical Properties
Mineral Class
Silicates
Toxicity
none
Formula
(K,Na)₄(Fe,Mn)₂(Si₄O₁₀)₂(OH,F)
Unit Cell
Physical Properties
Hardness
5 - 5.5
Streak
Density
Cleavage
Fracture
Tenacity
Optical Properties
Color
Birefringence
Luster
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
triclinic
Point Group
Space Group
Habit
Formation
Paragenesis
Twinning
Rarity
Synonyms
Fenaksite