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Minerals - Pargasite | TerraCollect
Mineral - Pargasite
Pargasite
NaCa₂(Mg,Fe²⁺)₄Al(Si₆Al₂)O₂₂(OH)₂
Chemical Properties
Mineral Class
Silicates
Toxicity
none
Formula
NaCa₂(Mg,Fe²⁺)₄Al(Si₆Al₂)O₂₂(OH)₂
Unit Cell
Physical Properties
Hardness
5.5
Streak
white
Density
Normal (2-3,5)
Optical Properties
Color
brown
green
Birefringence
Luster
Vitreous
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
monoclinic
Point Group
Cleavage
Fracture
Tenacity
Space Group
Habit
massive,
acicular,
prismatic
Formation
Magmatisch, Metamorphose
Paragenesis
Twinning
Rarity
Very rare
Synonyms
Pargasite
