Mineral - Ephesite
Ephesite
Chemical Properties
Mineral Class
Silicates
Toxicity
none
Formula
NaLiAl₂(Al₂Si₂O₁₀)(OH)₂
Unit Cell
Physical Properties
Hardness
3.5 - 4.5
Streak
white
Density
Normal (2-3,5)
Cleavage
Fracture
Tenacity
Optical Properties
Color
redorangepink
Birefringence
Luster
Vitreous
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
triclinic
Point Group
Space Group
Habit
prismatic, tabular
Formation
hydrothermal, Metasomatose
Paragenesis
Twinning
Rarity
Rare
Synonyms
Ephesite