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Minerals - Lasalite | TerraCollect
Mineral - Lasalite
Lasalite
Na₂Mg₂(V₁₀O₂₈) · 20H₂O
Chemical Properties
Mineral Class
Vanadates
Toxicity
none
Formula
Na₂Mg₂(V₁₀O₂₈) · 20H₂O
Unit Cell
a=23,90 b=11,00 c=17,10 β=118° Z=2
Physical Properties
Hardness
1
Streak
Density
Normal (2-3,5)
Optical Properties
Color
orange
yellow
yellow orange
Birefringence
0,037
Luster
Adamantine
Transparency
translucent,
transparent,
opaque
Pleochroism
Geomineralogical Properties
Crystal System
Composition
Elements
Mass
Na₂O
4,06
MgO
5,42
CaO
1,75
K₂O
0,47
V₂O₅
61,87
SO₃
2,55
H₂O
2,88
Utah
Cleavage
Fracture
nd
Tenacity
Brittle
monoclinic
Point Group
Space Group
Habit
blocky,
crusty,
massive,
Rhombohedron
Formation
Oxidationszone von Uran-Vanadium-Lagerstätten
Paragenesis
Twinning
Rarity
Rarely
Synonyms
Lasalite
Groups and Members
Pascoit-Gruppe
