Mineral - Goyazite
Goyazite
Chemical Properties
Mineral Class
Phosphates
Toxicity
none
Formula
SrAl₃(PO₄)(PO₃OH)(OH)₆
Unit Cell
Physical Properties
Hardness
4.5 - 5
Streak
white
Density
Normal (2-3,5)
Cleavage
Fracture
Tenacity
Optical Properties
Color
brownorangeyellowcolorless
Birefringence
Luster
Vitreous,
Resinous
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
trigonal
Point Group
Space Group
Habit
Octahedron, Rhombohedron, tabular, Cube
Formation
Magmatisch, Pegmatit, Metasomatose, hydrothermal
Paragenesis
Twinning
Rarity
Rarely
Synonyms
Goyazite