Mineral - Kernite
Kernite
Chemical Properties
Mineral Class
Borates
Toxicity
none
Formula
Na₂[B₄O₆(OH)₂]·3H₂O
Unit Cell
Physical Properties
Hardness
2.5 - 3
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
Octahedron, prismatic
Formation
Sedimentär, Metamorphose von Borax (Kontaktmetamorphose)
Paragenesis
Twinning
Rarity
Rather rare
Synonyms
Kernite