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Minerals - Halotrichite | TerraCollect
Mineral - Halotrichite
Halotrichite
Fe²⁺Al₂[SO₄]₄·22 H₂O
Chemical Properties
Mineral Class
Sulphates
Toxicity
none
Formula
Fe²⁺Al₂[SO₄]₄·22 H₂O
Unit Cell
Physical Properties
Hardness
1.5 - 2
Streak
white
Density
Light (<2)
Optical Properties
Color
white
gray
Birefringence
Luster
Vitreous
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
monoclinic
Point Group
Cleavage
Fracture
Tenacity
Space Group
Habit
fibrous
Formation
Verwitterung, thermal
Paragenesis
Twinning
Rarity
Rather rare
Synonyms
Halotrichite
