365nm Longwave, Fluorescent Minerals, Mineral PhotographyRaymond WuFebruary 03, 2018calcite, fluorite, Huangguang Mine, Chifeng City, Inner Mongolia, ChinaComment Calcite, Fluorite 365nm Longwave, Fluorescent Minerals, Mineral PhotographyRaymond WuFebruary 03, 2018calcite, fluorite, Huangguang Mine, Chifeng City, Inner Mongolia, ChinaComment
