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...
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Glow Notes - Education Posts
The posts below are all posts in chronological order. Blog posts may be narrowed by the five categories listed, or the entire list viewed by returning to the main GNB page above. Page through posts using "Next Ten" links at the bottom of the page.
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...
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"
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...
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...
Franklin-Ogdensburg Minerals | A Tale of Micromounts, Fluorescents, Gems, Giant Crystals and Species
There is a giant project being worked on by some of the most active (and knowledgeable) people in the fluorescent mineral hobby - a book...
Is there a fluorescent mineral that will allow one to distinguish between different UVA wavelengths
A recent discussion on Facebook evolved about using a mineral to determine if an LED is 365nm or 405nm. The result of the discussion was...
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