Mineral - Jarosite
Jarosite
Chemical Properties
Mineral Class
Sulphates
Toxicity
none
Formula
KFe³³⁺[(OH)₆|(SO₄)₂]
Unit Cell
Physical Properties
Hardness
2.5 - 3.5
Streak
yellow
Density
Normal (2-3,5)
Cleavage
Fracture
Tenacity
Optical Properties
Color
brownyellow
Birefringence
Luster
Vitreous,
Adamantine
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
trigonal
Point Group
Space Group
Habit
tabular
Formation
Oxidationszone von Sulfid-Lagerstätten, hydrothermal
Paragenesis
Twinning
Rarity
Rather rare
Synonyms
Jarosite