Mineral - Powellite
Powellite
Chemical Properties
Mineral Class
Molybdates
Toxicity
none
Formula
Ca[MoO₄]
Unit Cell
Physical Properties
Hardness
3.5 - 4
Streak
white
Density
Cleavage
Fracture
Tenacity
Optical Properties
Color
whitebrownyellowcolorless
Birefringence
Luster
Pearly,
Resinous
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
tetragonal
Point Group
Space Group
Habit
dipyramidal, tabular
Formation
Metasomatose, hydrothermal
Paragenesis
Twinning
Rarity
Rarely
Synonyms
Powellite