GNB Education

Fluorescent Mineral Photo Gallery

Click any thumbnail for a full set of larger images. Skip to the next page of images below, or filter by

Sodalite Explained

(Posted by Mark Cole from the FMS FB group) Sodalite is a mineral and a mineral group. The sodalite group contains the minerals...

UV Flashlights - Outlandish Claims of Power

I’m really getting tired of all the BS out there. Chinese vendors make outlandish claims about their flashlights and non-technical...

MultiColor Longwave Minerals

I posted a challenge on Facebook in response to an excellent post showing off a display of LW 365nm minerals. Shown below are several of...

Cataract Surgery - How does it Affect Our Eyes and Viewing Fluorescent Minerals

Serious question here. I just had cataract surgery and can now only see FS with sunglasses on. Does anyone know if this will improve as I...

What Kind of Flashlight Do I Need? (365nm versus 390/395/400nm Unfiltered UV Flashlights)

Friends don't let friends use crappy unfiltered 390nm flashlights. This is an educational post, directed towards folks new to the hobby....

Power Claims of Convoy Type Flashlights

A pet peeve of mine is honesty in advertising. Over the past 3+ months I’ve seen companies advertising ever higher power Convoy type...

What is Ultraviolet Light (UV)?

People new to the hobby of fluorescent minerals typically have a lot of questions about UV. What is the difference between shortwave...

Biofluorescence of the Monarch Butterfly

By Chris Clemens ...

The Fluorescent Minerals of Greenland

The Ilímaussaq complex is one of the world's most fascinating igneous complexes. The abundance of rare elements has resulted in more than...

Report from the (2018) Tucson mineral shows (excluding the TGMS show)

Glenn Waychunas Mar 1, 2018 Normally I do not send around a report, but now that I have some responsibility with the FMS, I consider it a...

Are rubies *always* fluorescent? Have you ever seen one not fluoresce? What about rubies from Madaga

[NOTE: This is an archive of a Facebook post with a great discussion about the fluorescence of rubies] "The chromium present in ruby...

Ultraviolation 2017 Show Report

Ultraviolation Fluorescent Mineral Only Show - "If it don't glow, you're at the wrong show"

What’s the Difference Between Fluorescence and Bioluminescence?

LED Longwave (LW - 365nm) Lighting for Home Displays

By now the fluorescent mineral community has heard of the new Convoy S2 365nm flashlight that has taken our hobby by storm. It is the...

Triboluminescence - A Brief Overview

(From FB Discussion Group - 5/1/2017) I saw a video on reddit which illustrated triboluminescence very effectively and I posted it to the...

Collecting Fluorescent Minerals - The Basics, Where to Find Them, and How to Collect Them

Fluorescent minerals are found almost anywhere there is a good selection of white light minerals. Mine dumps/tailing piles are obviously gr

How Hot Are Your Rocks? Radioactivity in Uranyl-Activated Fluorescent Minerals

by Chris Clemens Introduction: Uranyl-activated green fluorescence is one of the most common fluorescent responses seen under UV light. ...

Fluorescent Mineral Light Review - Shortwave Battery Powered Field Lights

Rock collecting is a cheap hobby. Fluorescent rock collecting is an expensive hobby. View the Entire Review Here: Mineral Lights We've...

The Photobiology of UV Damage to Skin

A frequently recurring question within the Fluorescent Mineral Facebook Group is how UV affects the skin and eyes. At the annual NERF...

The Definitive Guide to Franklin/Sterling Hill Wollastonite

A regularly recurring question in our Facebook Fluorescent Mineral Group is the differences between the various wollastonites found the...