Mineral - Bityite
Bityite
Chemical Properties
Mineral Class
Silicates
Toxicity
none
Formula
CaLiAl₂(AlBeSi₂O₁₀)(OH)₂
Unit Cell
Physical Properties
Hardness
5.5
Streak
white
Density
Normal (2-3,5)
Cleavage
Fracture
Tenacity
Optical Properties
Color
whiteyellowcolorless
Birefringence
0.010
Luster
Vitreous,
Pearly
Transparency
translucent,
transparent
Pleochroism
Geomineralogical Properties
Crystal System
monoclinic
Point Group
monoclinic-prismatic - 2/m
Space Group
C2/c (15)
Habit
blocky, prismatic, tabular
Formation
Paragenesis
Twinning
Rarity
Rare
Synonyms
Bityite
Groups and Members
Brittle Mica Group