GNB Minerals & Collecting

Fluorescent Mineral Photo Gallery

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Afghanistan Minerals - New Identifications

There have been several posts in our Facebook Group (https://www.facebook.com/groups/fluorescentminerals) recently identifying some of...

"Yooperlite" - What's in a Silly Name? What are they really?

A rock just went viral! A fellow found some glowing rocks on the beaches of Lake Superior and quickly realized how neat they were. He...

2017 FMS Midwest Chapter Annual Meeting

by Chris Clemens chris@uvminerals.org The Midwest Chapter of the Fluorescent Mineral Society (FMS) held its first annual meeting at the...

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...

Helvetia Trip Report

Originally published in UV Waves, the bi-monthly publication from the Fluorescent Mineral Society. Helvetia. Just the name conjures up...

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...

Agate from Scott's Gulf, Smyrna, Tennessee

8/31/17 - A major component of rock collecting (for me) is simply getting out in nature. A buddy dragged me out to a very remote area...

Franklin Super Diggg 2017, Trip Report

by Chris Clemens 6/8/17 The promise of this year’s Super Diggg on April 29th was too tempting to resist- over six million pounds of Mill...

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

Greenland Sodalite Hackmanite - Quick Change Artist, Tenebrescent Champion

Tenebrescence of Greenland sodalite is amazing. This is a piece of a deeply tenebrescent sodalite. Note how when the SW light is first...

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. ...

Hyalite (opal-AN) specimens from Hungary, Zemplén, Tarcal

I made a tribute to Hyalites from Hungary, Zemplén, Tarcal. Specimens are shown in normal, UV-C and some in UV-A light. All frames are...

Not all Adamite is Created Equal…

…at least not in terms of fluorescence. As is the case with many fluorescent minerals, different specimens of the same mineral species...

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...

Crack that Rock!!! (You never know what's inside)

Seems to go without saying for most experienced fluorescent mineral collectors; rocks that sit exposed to the elements for millennia ...

Greenland sodalite - Thermoluminescence

While experimenting with Afghan sodalite, and after discussion on FB, I decided to try Greenland sodalite and see if it was...

The Fluorescence of Elemental Sulfur- Real or Perceived Phenomenon?

Mark Cole: There was a post in the fluorescent mineral group about sulfur fluorescing a dull green under SW on a piece of calcite from...