Mineral - Mathiasite
Mathiasite
Chemical Properties
Mineral Class
Oxides and Hydrxides
Toxicity
none
Formula
(K,Ba,Sr)(Zr,Fe)(Mg,Fe)₂ (Ti,Cr,Fe)₁₈O₃₈
Unit Cell
Physical Properties
Hardness
7.5
Streak
black
Density
Cleavage
Fracture
Tenacity
Optical Properties
Color
black
Birefringence
Luster
Metallic
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
trigonal
Point Group
Space Group
Habit
granular, tabular
Formation
Magmatisch
Paragenesis
Twinning
Rarity
Rare
Synonyms
Mathiasite