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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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Zincite, Willemite, Franklinite; Sterling Hill Mine, NJ

14.5.2017

This small piece was languishing in our cabinets until I hit it with a very strong longwave lamp. Only  then, did the bright yellow zincite appear. Quite stunning actually. The zincite is also an interesting red in natural light. Portions of the willemite has an interesting yellow glow to them as well. If the piece was from somewhere other than Sterling, it might be something altogether different. Shown in longwave, shortwave and natural.

 

 

 

 

 

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