Mineral - Volkovskite
Volkovskite
Chemical Properties
Mineral Class
Borates
Toxicity
none
Formula
KCa₄[B₅O₈OH]₄[B(OH)₃]₂Cl · 4H₂O
Unit Cell
Physical Properties
Hardness
2.5
Streak
white
Density
Normal (2-3,5)
Cleavage
Fracture
Tenacity
Optical Properties
Color
whiteorangepink
Birefringence
Luster
Vitreous
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
triclinic
Point Group
Space Group
Habit
leafy, tabular
Formation
Sedimentär, Evaporit
Paragenesis
Twinning
Rarity
Very rare
Synonyms
Volkovskite