What’s the difference between fluorescence and bioluminescence? We illuminate the biochemical distinctions.
Hyalite specimens from Hungary, Zemplén, Tarcal
Hungary has some really outstanding localities for unique hyalites: Monok, Gyöngyössolymos, and recently Tarcal. Specimens from this locality tend to be the biggest, glassiest and the best from Hungary! The downside is that the andesite quarry uses explosives, which...
The science of fluorescent minerals by Bob Oblack
A presentation on COLOR & ENERGY... Learn the scientific concepts behind why rocks glow in the dark. This video provides an in-depth look into the science behind fluorescent minerals, presented by Bob Oblack. It covers the science of color and energy, luminescence and...
Fluorescence Spectroscopy and Zoning of Apatite
At the Rochester Mineralogical Symposium in 2022 Madeline Murchland gave a very nice presentation about fluorescence spectroscopy and zoning in apatite. Here is a recording of her talk.
Life Saver Triboluminescence
Some comments from our Facebook Group: JB: Worth noting: if you want to try this at home, they have to be Wint-o-green lifesavers, not pep-o-mint. The oil of wintergreen (methyl salicylate) is fluorescent, and the sugar breaking produces UV light, causing the methyl...