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Minerals - Lawsonite | TerraCollect
Mineral - Lawsonite
Lawsonite
CaAl₂(Si₂O₇)(OH)₂ · H₂O
Chemical Properties
Mineral Class
Silicates
Toxicity
none
Formula
CaAl₂(Si₂O₇)(OH)₂ · H₂O
Unit Cell
Physical Properties
Hardness
7.5
Streak
white
Density
Normal (2-3,5)
Optical Properties
Color
white
green
blue
colorless
Birefringence
Luster
Vitreous
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
orthorhombic
Cleavage
Fracture
Tenacity
Point Group
Space Group
Habit
massive,
prismatic,
tabular
Formation
Metamorphose
Paragenesis
Twinning
Rarity
Rather rare
Synonyms
Lawsonite
