Tozour Family's Fluorescent Rocks: Hackmanite, Davis Quarry, Bancroft, Ontario, Light purple spots after one minute exposure to SW UV

HackmaniteDavisQuarryBancroftOntariobeforeUV.html

HackmaniteDavisQuarryBancroftOntario5minSWUV.html

Hackmanite, Davis Quarry, Bancroft, Ontario, Light purple spots after one minute exposure to SW UV