A faceted vanadinite may be considered a tremendous rarity. Fewer than ten such gems may have been cut. This is unfortunate since the color is rich and beautiful. Arizona crystals tend to be very small, but the ones from Morocco reach a size of several inches.
Streak: White to yellowish.
Occurrence: Secondary mineral in the oxidized zone of ore deposits, especially lead deposits. Arizona (Apache Mine, Mammoth Mine, elsewhere); New Mexico; California; Utah; South Dakota; Colorado.
Chihuahua, Mexico; Algeria; Scotland; Argentina: Tunisia;
USSR; Austria; Sardinia.
Mibladen, Morocco: large red to brown crystals.
Comments: A faceted vanadinite may be considered a tremendous rarity. Fewer than ten such gems may have been cut. This is unfortunate since the color is rich and beautiful. Arizona crystals tend to be very small, but the ones from Morocco reach a size of several inches.
Name: In allusion to the composition.