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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...
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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...
Biofluorescence of the Monarch Butterfly
By Chris Clemens ...
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...
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...
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...
Tenebrescence Experiments, Theories, Questions, and even some Facts
Recently I posted a question about Afghan sodalite (hackmanite) after reviewing the MinRec article about Sar-E-Sang. Someone reminded me...
Ozone - what's that smell??? Is it bad? How do I get rid of it?
(NOTE: This blog post was archived from the Facebook Fluorescent Mineral Group) Graham F: I bought two of these (bulbs) to make a display...
Blue Light Fluorescence - Who needs UV anyway?
We all are familiar with fluorescence caused by UV. But an ordinary blue light (blue LED) does a pretty good job when combined with some...
What is Tenebrescence? (All about Hackmanite - Hint: it's not fluorescence)
In the early 1800's geologists noted that some specimens of sodalite from Greenland exhibited a bright pink color on freshly broken...
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