Mineral - Melanotekite
Melanotekite
Chemical Properties
Mineral Class
Silicates
Toxicity
middle
Formula
Pb₂Fe³⁺₂(Si₂O₇)O₂
Unit Cell
Physical Properties
Hardness
6.5
Streak
green
Density
Cleavage
Fracture
Tenacity
Optical Properties
Color
blackgray
Birefringence
Luster
Metallic
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
orthorhombic
Point Group
Space Group
Habit
spherical, massive
Formation
Oxidationszone von Blei-Lagerstätten
Paragenesis
Twinning
Rarity
Rare
Synonyms
Melanotekite