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Fluorescent Mineral Photo Gallery

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

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

Longwave, shortwave, midwave flashlights are all the rage lately. 365nm, 255nm, 310nm - some amazing fluorescent minerals are being...

While visiting my granddaughter in Florida I had time to revamp my daughter's UV light box. The old one was too small for the large...

(work in progress....) Just a few years ago my feeling was that we would not see SW flashlights "in my lifetime". I was so wrong. They...

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

I'm not sure how many people have built the 18 watt SW conversion from Mark Cole's plans on MinerShop, but if you did or intend to do so,...

My small hand-held short wave lamp is useful, but has its limitations. I was interested in a much more powerful light for display and...

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...

(This is copied from a Facebook post by Bruce W. Black boxes are had to find for our hobby; white boxes destroy fluorescence.): Ever...

In general, the Ah capacity of batteries sold from China are not worth the plastic they are printed on. The vendors/manufacturers lie so the

The most powerful 365nm flashlight in its class (or any class). Open source design

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

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

It's the wild west out there! About three years ago I wrote a blog post about the Convoy S2+ here on Nature's Rainbows. The FLM...

I have happily been using and recommending the Convoy S2+ 365 nm UV flashlight since early 2017 when Mark Cole first posted about it. It...

In early September 2018, after it looked like my grandchildren’s parents were required to prepare for a U.S. Government shutdown on the...

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

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

By Chris Clemens ...