Mineral - Sepiolite
Sepiolite
Chemical Properties
Mineral Class
Silicates
Toxicity
none
Formula
Mg₄(Si₆O₁₅)(OH)₂ · 6H₂O
Unit Cell
Physical Properties
Hardness
2 - 2.5
Streak
white
Density
Normal (2-3,5)
Cleavage
Fracture
Tenacity
Optical Properties
Color
whitegrayyellow
Birefringence
Luster
Vitreous,
Earthy
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
orthorhombic
Point Group
Space Group
Habit
fibrous, bulbous, massive, kidney-shaped, grape-shaped
Formation
Metasomatose von Serpentinit
Paragenesis
Twinning
Rarity
Common
Synonyms
Sepiolite