Mineral - Butlerite
Butlerite
Chemical Properties
Mineral Class
Sulphates
Toxicity
none
Formula
Fe³⁺(SO₄)(OH)·2H₂O
Unit Cell
Physical Properties
Hardness
2.5
Streak
yellow
Density
Normal (2-3,5)
Cleavage
Fracture
Tenacity
Optical Properties
Color
orangeyellow
Birefringence
Luster
Vitreous,
Greasy
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
monoclinic
Point Group
Space Group
Habit
dipyramidal, tabular
Formation
Magmatische Exhalation, Oxidation von Pyrit, Minenfeuer
Paragenesis
Twinning
Rarity
Rare
Synonyms
Butlerite