Glow Notes - a Fluorescent Mineral Blog 

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Glow Notes is the Nature's Rainbow Blog - timely content and information about our hobby. Check back often as we hope to keep this section fresh and lively.  We will post many of the hot topics from the Fluorescent Mineral Facebook Group here (see a feed from this FB group).  The right bar lists blog posts by topic; the posts below are all posts in chronological order.   Blog posts may be narrowed by the five categories listed, or the entire list viewed below.  Page through the posts using "Next Ten" links at the bottom of the page.

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FyrFly Convoy C8 365nm UV Flashlight - The Next Generation Convoy - an Original...

What Kind of Flashlight Do I Need? (365nm versus 390/395/400nm Unfiltered UV Fla...

Collecting Fluorescent Minerals - The Basics, Where to Find Them, and How to Col...

Convoy Type S2+ 365nm Flashlight Torch Review, The Most Significant Innovation i...

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Photo credit: Svetozar Simov

(This is an archive of an excellent post in our Fluorescent Mineral Facebook group by Richard David Armstrong)

There have been a couple posts on diamonds the past couple days, so thought I'd give a quick explanation of fluorescence in diamond...

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, here's mine I've finally completed. There are other DIY lamp plans on the page but I feel that 35w is too much power for field use....

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 photography. After some research and talking to collectors with large displays, I learned about the transilluminator, a piece of labora...

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 heal or am I doomed to wearing sunglasses to see my beloved rock? I am using a cheap harbor freight light but my husband says he ca...

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

Ever want to store your glow rocks in boxes, but don't want to pay for flats? Do what I do - collect copy paper boxes at your place of busine...

In general, the Ah capacity of batteries sold from China are not worth the plastic they are printed on. The vendors/manufacturers lie so they can get you to click on buying theirs over some other fraudster's batteries. Best to buy genuine Sanyo Eneloop or genuine P...

Friends don't let friends use crappy unfiltered 390nm flashlights.

This is an educational post, directed towards folks new to the hobby. There has been discussion in our FB group lately about using cheapie 39Xnm flashlights for fluorescent minerals. I am passionate abou...

A pet peeve of mine is honesty in advertising.  Over the past 3+ months I’ve seen companies advertising ever higher power Convoy type flashlights – usually with an LG LED. Every single one of these ads is misleading – I could say downright lies but my bet is that the f...

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Nature’s Rainbows is a non-commercial web site maintained entirely by volunteer hobbyists and contributors.  Our mission is to provide information about UV and luminescence, premium fluorescent mineral photos, and a fluorescent mineral database for the enjoyment of FL mineral collectors around the world.  Information on this web site is covered under a Creative Commons License.


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