Mineral - Tapiolite-(Fe)
Tapiolite-(Fe)
Chemical Properties
Mineral Class
Oxides and Hydrxides
Toxicity
none
Formula
Fe²⁺Ta₂O₆
Unit Cell
Physical Properties
Hardness
6 - 6.5
Streak
brown
Density
Very Heavy (>6)
Cleavage
Fracture
Tenacity
Optical Properties
Color
blackbrown
Birefringence
Luster
Metallic,
Adamantine
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
tetragonal
Point Group
Space Group
Habit
dipyramidal, prismatic, tabular
Formation
Magmatisch (Pegmatite)
Paragenesis
Twinning
Rarity
Rarely
Synonyms
Tapiolite-(Fe)