Mineral - Magnesio-Hastingsite
Magnesio-Hastingsite
Chemical Properties
Mineral Class
Silicates
Toxicity
Formula
Unit Cell
Physical Properties
Hardness
5 - 6
Streak
browngreen grey
Density
Normal (2-3,5)
Cleavage
Fracture
Tenacity
Optical Properties
Color
blackbrowngreen
Birefringence
Luster
Vitreous
Transparency
translucent,
opaque
Pleochroism
Geomineralogical Properties
Crystal System
monoclinic
Point Group
monoclinic-prismatic - 2/m
Space Group
C2/m (12)
Habit
Formation
Paragenesis
Twinning
Rarity
Synonyms
Magnesio-Hastingsite