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Minerals - Blödite | TerraCollect
Mineral - Blödite
Blödite
Na₂Mg[SO₄]₂·4H₂O
Chemical Properties
Mineral Class
Sulphates
Toxicity
none
Formula
Na₂Mg[SO₄]₂·4H₂O
Unit Cell
Physical Properties
Hardness
2.5 - 3
Streak
white
Density
Normal (2-3,5)
Optical Properties
Color
gray
colorless
Birefringence
0.004
Luster
Vitreous
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
monoclinic
Point Group
Groups and Members
Blödite-Group
Cleavage
Fracture
Tenacity
monoclinic-prismatic - 2/m
Space Group
P2
1
/c (14)
Habit
prismatic
Formation
Sedimentary (Evaporite)
Paragenesis
Twinning
Rarity
Rather rare
Synonyms
Blödite
