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Mineral - Petscheckite

PetscheckiteUFe(Nb,Ta)₂O₈
Chemical Properties
Mineral Class
Oxides and Hydrxides
Toxicity
none
Formula
UFe(Nb,Ta)₂O₈
Unit Cell
Physical Properties
Hardness
5
Streak
Density
Cleavage
Fracture
Tenacity
Optical Properties
Color
Birefringence
Luster
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
hexagonal
Point Group
Space Group
Habit
Formation
Paragenesis
Twinning
Rarity
Synonyms
Petscheckite