General Information:
Chemical Formula:
(Pb,Sr)Al3(PO4)(SO4)(OH)6
Locality:
Golden Fleece mine, Hinsdale Co., Colorado.
Name Origin:
Named after its locality.
Physical Properties:
Cleavage:
[001] Perfect
Color:
colorless or green.
Density:
4.65
Diaphaniety:
Transparent to translucent
Habits:
Crystalline - Poor - Occurs primarily as crudely formed crystals., Pseudo Tetragonal - Crystals show a tetragonal shape.,
Hardness:
4.5 - Between Fluorite and Apatite
Luminescence:
None.
Luster:
Vitreous (Glassy)
Streak:
white
More details...