Mineral - Oneillite
Oneillite
Chemical Properties
Mineral Class
Silicates
Toxicity
none
Formula
Na₁₅Ca₃Mn₃Fe²⁺₃Zr₃Nb(Si₂₅O₇₃)(O,OH,H₂O)₃(OH,Cl)₂
Unit Cell
Physical Properties
Hardness
5 - 6
Streak
Density
Cleavage
Fracture
Tenacity
Optical Properties
Color
Birefringence
Luster
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
trigonal
Point Group
Space Group
Habit
Formation
Paragenesis
Twinning
Rarity
Synonyms
Oneillite