POLISHED FLUORESCENT FREEFORM. ...

Description

POLISHED FLUORESCENT FREEFORM
Sterling Hill Mine, Franklin, New Jersey, USA
The Sterling Hill mine in the Bucolic Hills of New Jersey is an old silver mine, now closed but famous for having produced some of the finest fluorescent minerals to be found anywhere in the world. By day or tungsten light, this superb example is mostly colored in a dull gray with red-brown patches and black accents, but under short wave UV light it bursts into vibrant and fiery shades of orange and green, testifying to the presence of willemite and calcite, with some sparkling crystals of zincite and black franklinite. Polished to a lustrous finish, the specimen is mounted on an ovular black marble base, shimmering with pyrite inclusions, and stands 25¼ inches high.

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