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Minerals - Picropharmacolite | TerraCollect
Mineral - Picropharmacolite
Picropharmacolite
Ca₄Mg(AsO₄)₂(HAsO₄)₂ · 11H₂O
Chemical Properties
Mineral Class
Arsenates
Toxicity
middle
Formula
Ca₄Mg(AsO₄)₂(HAsO₄)₂ · 11H₂O
Unit Cell
Physical Properties
Hardness
1 - 2
Streak
white
Density
Normal (2-3,5)
Optical Properties
Color
white
pink
colorless
Birefringence
Luster
Vitreous,
Silky,
Pearly
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
triclinic
Cleavage
Fracture
Tenacity
Point Group
Space Group
Habit
tufty,
spherical,
acicular
Formation
Oxidationszone von Arsen-Lagerstätten
Paragenesis
Twinning
Rarity
Rather rare
Synonyms
Picropharmacolite
