Blue Sphalerite, Beta-Willemite- Sterling Hill Mine near Franklin, NJ

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Blue Sphalerite with Beta-Willemite, Hydrozincite, Sphalerite, and Chalcocite from the Sterling Hill Mine near Franklin, NJ. The Beta-Willemite fluoresces a gold-green under shortwave U.V. light and phosphoresces (see photo #4), the Sphalerite fluoresces pink under shortwave and pink-orange under long wave U.V. light, the Hydrozincite blue under shortwave, and the Chalcocite and Blue Sphalerite are non-fluorescent.Unusual combination with the Hydrozincite- haven't seen another listed on eBay. This is also a very nice piece in natural light!Measures 3 1/8" X 2" X 1 1/8" thick and weighs 5.3 ounces.Shipping in the U.S. only. I am happy to combine shipping on multiple items won within ten days and will discount each item depending on size and weight. Returns are accepted if unaltered and the buyer pays shipping both ways within 14 days after receiving.