Mineral - Pumpellyite-(Mg)
Pumpellyite-(Mg)
Chemical Properties
Mineral Class
Silicates
Toxicity
none
Formula
Ca₂MgAl₂[Si₂O₆OH][SiO₄](OH)₂(OH)
Unit Cell
Physical Properties
Hardness
5.5
Streak
white
Density
Normal (2-3,5)
Cleavage
Fracture
Tenacity
Optical Properties
Color
green
Birefringence
Luster
Vitreous
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
monoclinic
Point Group
Space Group
Habit
coarse, spherical, massive, acicular
Formation
Magmatisch, Vulkanisch
Paragenesis
Twinning
Rarity
Rarely
Synonyms
Pumpellyite-(Mg)