Glownotes

Life Saver Triboluminescence

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...

Cuspidine under Longwave UV

Cuspidine under Longwave UV

We have a bunch of folks attending the Franklin "SuperDigg" this April (2017). Many of them are carrying the new Convoy 365nm LW flashlight (see the GlowNotes article on this light) so I thought it would be nice to give folks an idea of what many of the minerals they...

Esperite under Longwave UV

Esperite under Longwave UV

We have a bunch of folks attending the Franklin "SuperDigg" this April (2017). Many of them are carrying the new Convoy 365nm LW flashlight (see the GlowNotes article on this light) so I thought it would be nice to give folks an idea of what many of the minerals they...

Thermoluminescence in Greenland Sodalite

Thermoluminescence in Greenland Sodalite

While experimenting with Afghan sodalite, and after discussion on the Fluorescent Minerals Facebook Group, I decided to try Greenland sodalite and see if it was thermoluminescent. That was the natural question raised by members of the Facebook group. Very interesting...

Thermoluminescent Sodalite (Hackmanite) from Afghanistan

Thermoluminescent Sodalite (Hackmanite) from Afghanistan

I was preparing for a photoshoot tonight, cleaning the specimens of all the lint and hairs that tend to accumulate on them. I was using a MAP torch to lightly burn the little buggers from all the nooks and crannies (a hint learned from the Fluorescent Mineral Group on...

Romancing the Stone: A Brief History of Tugtupite

Romancing the Stone: A Brief History of Tugtupite

“For ages, the Inuit of Greenland have understood the power of tugtupite. Legend has it that lovers can cause the stone to glow fiery red just from the heat of their romance. The brilliance and vibrant colors announce the intensity of their love.” (MinerShop -...