O7 - Fluorite - Rogerly, England fluorescent minerals Some even respond a yellow

Some even respond a yellow in color in midwave UV at 300nm

If he doesn't tell him Tony's going to come by and fix a few things

(longwave reactive rocks also included)

UV blocking safety glasses block UV rays and provides eye protection when chipping away at rock and boulders

Special UV reflector to redirect maximum UV out the optical filter

O7 - Fluorite - Rogerly, England fluorescent minerals Some even respond a yellowFluorite Rogerly, England Deep purple response under longwave and shortwave UV. Rogerly flluorite crystals are highly sought after from England. Crystals can be bright green in daylight if a rust remover is used to remove the rust film from the specimen. Does not affect the fluorescent response. 1 pound 12 ounces Approx. 5" x 4. 5"