Mineral - Ezcurrite
Ezcurrite
Chemical Properties
Mineral Class
Borates
Toxicity
none
Formula
Na₄B₁₀O₁₇ · 7H₂O
Unit Cell
Physical Properties
Hardness
3 - 3.5
Streak
white
Density
Normal (2-3,5)
Cleavage
Fracture
Tenacity
Optical Properties
Color
whitecolorless
Birefringence
Luster
Vitreous,
Pearly
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
triclinic
Point Group
Space Group
Habit
coarse, massive, acicular, prismatic, prismatic
Formation
Evaporit, Sedimentär
Paragenesis
Twinning
Rarity
Very rare
Synonyms
Ezcurrite