Mineral - Rivadavite
Rivadavite
Chemical Properties
Mineral Class
Borates
Toxicity
none
Formula
Na₆Mg[B₆O₇(OH)₆]₄ · 10H₂O
Unit Cell
Physical Properties
Hardness
3.5
Streak
white
Density
Light (<2)
Cleavage
Fracture
Tenacity
Optical Properties
Color
whitecolorless
Birefringence
Luster
Vitreous,
Silky
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
monoclinic
Point Group
Space Group
Habit
coarse, massive
Formation
Evaporit, Sedimentär
Paragenesis
Twinning
Rarity
Very rare
Synonyms
Rivadavite