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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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Quartz Crystals on Calcite - San Antonio Mine, Chihuahua, Mexico

7.8.2016

Small delicate crystal florets of yellow fluorescing quartz needles

 

are peppered around a matrix of calcite on this striking specimen.  Not often do we find quartz crystals fluorescing yellow like this.  There is a bit of aragonite at the upper right corner.

From left to right: short/longwave, shortwave, longwave, longwave close up, midwave, daylight, daylight close up. ISO-100, f/11 2.5 seconds for UV pictures. 10 inches across. 5 pounds 2 ounces.

 

 

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