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Southern Arizona Fluorescent Minerals

Arizona! What a great place to collect fluorescent minerals. In addition to the usual bright calcite, willemite, fluorites and scheelites, Southern Arizona glows with some very unusual calcite, caliche, chalcedony. These unusual specimens, with their combination of colors and textures, are beautiful in both natural and ultraviolet light. -rf

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Hardystonite Clinohedrite Specimen

Another beautiful hand sized specimen from Franklin, NJ. It contains: hardystonite – blue clinohedrite – dull orange willemite – green calcite – red franklinite – non-fluorescent black There are more Franklin, NJ specimens to be seen on the Eastern United States page. Specimens from this locale are unique. There are only a couple other locations […]

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Sterling Hill Mine Sphalerite

Here’s a new specimen from the Sterling Hill Mine near Franklin New, Jersey. It’s a bright, hand sized piece of sphalerite that glows: pinkish-orange under long wave ultraviolet purplish-red under short wave ultraviolet with an intense orange phosphorescence The sphalerite contrasts nicely with the red glowing calcite, green glowing willemite, and the non-fluorescent franklinite. Like […]

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Esperite Delight

Finally got an esperite specimen from Franklin, New Jersey. And it’s both brightly fluorescent and a beauty in natural light. The esperite glows yellow, willemite green, and calcite red. The dark black non-fluorescent franklinite provides a nice contrast. I first saw Franklin esperite almost 60 years ago. Back then it was identified as calcium larsenite. […]

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