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Collecting fluorescent minerals at Franklin

Today, some of the rarer species may only be found using a 'silver pick' on mineral dealer's shelves. However, a great many Franklin and Sterling Hill fluorescent minerals are still field collectable today.

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Buckwheat Dump, Franklin, NJ. Much of the white rock visible is actually brilliant red-fluorescing calcite.

Large masses of brilliantly fluorescent calcite glowing reddish-orange, with specks of green-fluorescing willemite, can still be collected on the local mine dumps, as can lesser amounts of many other fluorescent minerals.

Portable ultraviolet lights can be used at night on special occasions. During daylight they can be used in a nearby viewing shack or under some black plastic to provide ready-made shade. Over time, collectors are able to recognize most fluorescent minerals without using a lamp.

The Buckwheat dump is operated by the Franklin Mineral Museum, where regular collector access can be arranged.

On special occasions the privately-owned Trotter dump is also open to collectors. This has been coordinated in recent years by the DVESS, and has happened just once each year. See the Trotter 2000 and 2001 pages for views and further details.

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Large boulders (> 1 m) of calcite (red) and willemite (green) on the Buckwheat Dump, seen fluorescing at night under short-wave ultraviolet light. Photo taken in late 1998.

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Shack on the Buckwheat dump for viewing samples in darkness.

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Large boulders of red-fluorescing calcite and green- fluorescing willemite, seen through bushes on the Buckwheat dump in Franklin, at night. Width 2 m.

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Collecting on the Buckwheat Dump, Franklin, NJ during daylight. Note the black plastic used to provide some shade while viewing fluorescing minerals.

 

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