Tozour Family's Fluorescent Rocks: Hackmanite, Kola Peninsula, Russia, Two minute exposure to white light (camcorder light) 10-12-98

HackmaniteKolaPeninsulaRussiaLongExposureUV10-12-98.html

HackmaniteKolaPeninsulaRussia5minWhiteLight10-12-98.html

Hackmanite, Kola Peninsula, Russia, Two minute exposure to white light (camcorder light) 10-12-98