Mineral - Görgeyite
Görgeyite
Chemical Properties
Mineral Class
Sulphates
Toxicity
none
Formula
K₂Ca₅(SO₄)₆ · H₂O
Unit Cell
Physical Properties
Hardness
3.5 - 4
Streak
white
Density
Normal (2-3,5)
Cleavage
Fracture
Tenacity
Optical Properties
Color
whiteyellowcolorless
Birefringence
Luster
Vitreous
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
monoclinic
Point Group
Space Group
Habit
Formation
Sedimentär(Evaporit), hydrothermal
Paragenesis
Twinning
Rarity
Very rare
Synonyms
Görgeyite