UV, Tenebrescence, All About Fluorescence

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.

Education

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...

FB Discussion (by M Cole)

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...

M Cole

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....

M Cole

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...

M. Cole

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...

Chris Clemens

Biofluorescence of the Monarch Butterfly

By Chris Clemens ...

M Cole

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...

Glenn Waychunas (post by M Cole)

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...

Facebook Post Archive

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...

Mike in Manassas (post by M Cole)

Ultraviolation 2017 Show Report

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

M Cole (Youtube)

What’s the Difference Between Fluorescence and Bioluminescence?

M Cole

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...

M Cole

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

Chris Clemens

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. ...

M Cole

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...

H. Green (excerpt from UV Waves, v44, n4)

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 MINERALOGICAL SOCIETY

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...

From YouTube (cross post by M Cole)

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...

Facebook Discussion (post by M Cole)

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...