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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Fluorescent Mineral Photo Gallery
Minerals that are fluorescent under shortwave, midwave, and/or longwave UV from around the world. Each database entry shows white light photos along with UV photos, as well as localities and descriptions. Use the index to search for specific minerals, or fluorescent minerals from a region. If this page is entered via the index, the results are filtered.
Click any thumbnail for a full set of larger images. Skip to the next page of images below, or filter by
What is the Best UV Flashlight for Minerals? (No bias, no clickbait - just the facts)
Longwave, shortwave, midwave flashlights are all the rage lately. 365nm, 255nm, 310nm - some amazing fluorescent minerals are being...
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The Next Evolution in Fluorescent Mineral Flashlights - Shortwave and Midwave
(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...
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DIY: Converting a Work Light into a Portable Short Wave Lamp
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,...
2,470
DIY: Converting a Transilluminator into a Short Wave Lamp
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...
1,413
Black Display Boxes for Flats
(This is copied from a Facebook post by Bruce W. Black boxes are had to find for our hobby; white boxes destroy fluorescence.): Ever...
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BATTERIES - Selecting the Proper Battery for your 365nm UV Flashlight, Convoy S2, Convoy C8, FyrFly
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
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FyrFly Convoy C8 365nm UV Flashlight - The Next Generation Convoy - an Original Design by Group Cons
The most powerful 365nm flashlight in its class (or any class). Open source design
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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....
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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...
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Convoy S2+ 365nm False Power Claims - It Ain't 5 Watts (4, 3.5, or even 3)
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...
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Buyers Guide to the new 365 nm LED UV flashlights
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...
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Lighting Controls - Automatically Cycle Longwave, Shortwave, Midwave, and White light in your Displa
Over the years I've had requests for lighting controllers that would allow us to remotely control our different wavelength lights, as...
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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...
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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
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Convoy Type S2+ 365nm Flashlight Torch Review, The Most Significant Innovation in UV Mineral Lights
This post was made over four years ago. Since that time it has become outdated. There is a new light - the Convoy FyrFly which is...
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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...
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Can I Carry my Battery Pack on a Plane?
This question always comes up when we're traveling to some far off, glorious glow rock haven. Luckily, the FAA has published rules that...
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RIP Wood's Glass Longwave UV Bandpass Filters
Several weeks ago there was a lot of discussion within our Facebook Group about the availability, and where to find, Kokomo 400 LW filter...
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Comparison of 365nm Flashlight to 390nm Flashlight
A friend of mine bought a 385nm to 395nm 100 LED flashlight (presently being sold on Amazon: https://www.amazon.com/uvBeast-Intensity-Fla...
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