Powellite
Flying Saucer group, Scorpion Hill, Vulture Mining District, Maricopa County, Arizona, USA
This is a thumbnail specimen of powellite on a granitic matrix from the Flying Saucer Group, Vulture District, Vulture Mountains, Maricopa County, Arizona. I acquired this specimen from the giveaway tables at the 2015 Cleveland micromineral symposium.
Under a shortwave ultraviolet light, the powellites fluoresce a creamy yellow-white color ...
© Jamison K. Brizendine