Mineral - Harmotome
Harmotome
Chemical Properties
Mineral Class
Silicates
Toxicity
none
Formula
Ba₂(Si₁₂Al₄)O₃₂·12H₂O
Unit Cell
Physical Properties
Hardness
4.5 - 5
Streak
white
Density
Normal (2-3,5)
Cleavage
Fracture
Tenacity
Optical Properties
Color
whiteyellowcolorless
Birefringence
Luster
Vitreous
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
monoclinic
Point Group
Space Group
Habit
massive, prismatic
Formation
hydrothermal
Paragenesis
Twinning
Rarity
Common
Synonyms
Harmotome