Mineral - Lithiowodginite
Lithiowodginite
Chemical Properties
Mineral Class
Oxides and Hydrxides
Toxicity
none
Formula
LiTa₃O₈
Unit Cell
a=9,44 b=11,52 c=5,06 β=91° Z=4
Physical Properties
Hardness
6.5
Streak
Density
Very Heavy (>6)
Cleavage
Keine
Fracture
uneven
Tenacity
Brittle
Optical Properties
Color
brownredorangeyellow
Birefringence
Luster
Adamantine
Transparency
translucent,
opaque
Pleochroism
Polysynthetische Zwillinge mit
Geomineralogical Properties
Crystal System
monoclinic
Point Group
Space Group
Habit
coarse, massive
Formation
In der Aplit-Zone von Pegmatiten
Paragenesis
Twinning
Rarity
Rare
Synonyms
Lithiowodginite
Composition
Elements
Mass
Nb₂O₅
9,3
Ta₂O₅
85,1
SnO₂
1,7
Fe₂O₃
0,1
FeO
0,1
MnO
2,0
Li₂O
1,8
Kasachstan
Groups and Members
Wodginit-Gruppe