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Minerals - Laurentthomasite | TerraCollect
Mineral - Laurentthomasite
Laurentthomasite
K(Mg,Fe²⁺,Mn)₂Be₂(Al,Sc)(Si₁₂O₃₀)
Chemical Properties
Mineral Class
Silicates
Toxicity
none
Formula
K(Mg,Fe²⁺,Mn)₂Be₂(Al,Sc)(Si₁₂O₃₀)
Unit Cell
Physical Properties
Hardness
5.5 - 6
Streak
blue
Density
Normal (2-3,5)
Optical Properties
Color
green
blue
Birefringence
Luster
Vitreous
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
hexagonal
Point Group
Cleavage
Fracture
Tenacity
Space Group
Habit
tabular
Formation
Magmatisch, Pegmatit
Paragenesis
Twinning
Rarity
Rare
Synonyms
Laurentthomasite