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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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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

This specimen of barite from the Linwood mine, Buffalo, Scott County, Iowa, is most interesting from a scientific perspective.  It is one of the brigh...

This is a larger specimen consisting of what appear to be two generations of calcite crystals on a limestone matrix, from the Linwood Mine, Buffalo, S...

These macro photographs show a very interesting multi-wavelength fluorescent response in a single, modified scalenohedral calcite crystal, part of a m...

Gemmy, modified scalenohedral, calcite crystals with marcasite inclusions, on limestone matrix, from the Linwood Mine, Buffalo, Scott County, Iowa.  T...

Calcite, modified scalenohedrons with dark marcasite inclusions.  Linwood Mine, Buffalo, Scott County, Iowa, USA.  Under long wave UV (365nm) probable...

Located adjacent to the Mississippi River, in Buffalo, Scott Co., Iowa, the Linwood Mine is one of the largest underground limestone mines currently i...

Amber-colored, cubic fluorite crystals on a bed of scalenohedral calcite, on limestone matrix, from Pint's Quarry, Raymond, Black Hawk Co., Iowa.  Thi...

This is a large cluster of transparent, modified rhombohedral calcite crystals on limestone matrix.  It was collected in 2016 from the Linwood Mine, S...

This is a large cluster of intergrown, prismatic, light golden/smoky colored barite crystals, on a minimal limestone matrix.  It was collected in 2016...

A plate of off-white barite crystals on a limestone matrix, from the Linwood Mine, Buffalo, Scott Co., Iowa.  This particular material is known locall...

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FINDING MINERALS
 

Ten sets of images are displayed at a time.  Browse the archives for past pics, or just keep hitting "Older" to load more pics. 

You may filter the view of the archive to find minerals in a certain geographic area, or those that respond to specific wavelengths or have other characteristics.  If the view is filtered the results show only that selection.

Famous localities are listed as separate geographic areas under Region View.

Using the search box above you may find specific minerals, mines, or localities.

Questions or comments?