Mineral - Tobermorite
Tobermorite
Chemical Properties
Mineral Class
Silicates
Toxicity
none
Formula
[Ca₄Si₆O₁₇ · 2H₂O]·(Ca·3H₂O)
Unit Cell
Physical Properties
Hardness
2.5
Streak
white
Density
Normal (2-3,5)
Cleavage
Fracture
Tenacity
Optical Properties
Color
whitepink
Birefringence
Luster
Silky
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
orthorhombic
Point Group
Space Group
Habit
fibrous, spherical, acicular, prismatic
Formation
Metasomatose
Paragenesis
Twinning
Rarity
Rather rare
Synonyms
Tobermorite