PreviousNext QUA4212 - QUARTZ var. Chalcedony (Agatized Coral section) $36.00 Locality Withlacoochee River, Lowndes County, Georgia, USA Dimensions 113mm x 70mm x 46mm Size Cabinet Nice thin river-polished light orange agatized coral geode section. Fluorescent (and slightly phosphorescent) yellow under longwave, midwave and shortwave UV light. From the Hawthorn Group (lower Miocene).