Mineral - Senaite
Senaite
Chemical Properties
Mineral Class
Oxides and Hydrxides
Toxicity
low
Formula
Pb(Mn,Y,U)(Fe,Zn)₂(Ti,Fe,Cr,V)₁₈(O,OH)₃₈
Unit Cell
Physical Properties
Hardness
6 - 6.5
Streak
blackbrownbrown black
Density
Cleavage
Fracture
Tenacity
Optical Properties
Color
blackgreen
Birefringence
Luster
Metallic
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
trigonal
Point Group
Space Group
Habit
prismatic, Rhombohedron, tabular
Formation
hydrothermal, Pegmatit
Paragenesis
Twinning
Rarity
Rarely
Synonyms
Senaite