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Lot
49016

4 (PLUS)-COLOR FRANKLIN FLUORESCENT ESPERITE. ...

2012 May 20 Natural History & Fine Minerals Signature Auction- New York #6068

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Auction Ended On: May 20, 2012
Item Activity: 2 Internet/mail/phone bidders Number of Bidders
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Location: Center 548
548 W. 22nd St.
New York, NY 10011

Description:
4 (PLUS)-COLOR FRANKLIN FLUORESCENT ESPERITE
Franklin, Sussex Co, New Jersey
This rare and desirable large shortwave specimen includes a large, brilliant yellow fluorescing Esperite patch, nicely centered on the top face. The Esperite shows a very rare wispy pattern as this 1 ½ by 1 inch (3.8 by 2.5 cm) area seems to be a partial replacement of purple-fluorescing Hardystonite itself located in a mass of brilliant red-orange fluorescing Calcite, with other smaller pockets of fluorescent Hardystonite. Associated in the matrix is non-fluorescing Franklinite ore. The specimen is also shot through with grains and stringers of brilliant green-fluorescent Willemite, and non-fluorescent red Zincite. Also covering a small area of Franklinite on the front of the piece is a wispy, medium-bright coating of yellow-orange-fluorescing Clinohedrite - a nice bonus, but not extensive enough to be listed as a fifth color for show-display purposes. Nonetheless, this is a superb 4 (plus)-color fluorescent Esperite, and one of the most desirable of all Franklin fluorescent specimens. 6 inches x 5 x 4¼ inches (15.2 x 12.7 x 10.8 cm).

Provenance: ex. Hugh Ronemus Collection

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Very good selection of scarce material as well as some for the average collector.
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