Mineral - Davreuxite
Davreuxite
Chemical Properties
Mineral Class
Silicates
Toxicity
none
Formula
MnAl₆Si₄O₁₇(OH)₂
Unit Cell
Physical Properties
Hardness
2 - 3
Streak
white
Density
Normal (2-3,5)
Cleavage
Fracture
Tenacity
Optical Properties
Color
whitegraypink
Birefringence
Luster
Greasy,
Silky
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
monoclinic
Point Group
Space Group
Habit
fibrous, massive
Formation
hydrothermal, Metamorphose
Paragenesis
Twinning
Rarity
Very rare
Synonyms
Davreuxite