Powellite, Quartz
Atolia, Atolia Mining District, San Bernardino County, California, USA
Glassy, pale yellowish, transparent, crystalline powellite (centre of view) of quartz matrix. Rich pale yellow fluorescence under SW UV.
Typical of the time, no analysis was provided to distinguish between scheelite & powellite.
Older material, purchased in 1981.
© Andrew Hodgson