253.7nm Shortwave, 365nm Longwave, Fluorescent Minerals, Mineral PhotographyRaymond WuOctober 22, 2017Quartz, Nuevo Corral, Corral Nuevo, Arizona, Chalcedony, USA1 Comment Chalcedony Covering Quartz Geode 253.7nm Shortwave, 365nm Longwave, Fluorescent Minerals, Mineral PhotographyRaymond WuOctober 22, 2017Quartz, Nuevo Corral, Corral Nuevo, Arizona, Chalcedony, USA1 Comment