fluorescent CALCITE crystal with ASPHALTUM - closed locality - Clay Center, Ottawa County, Ohio, USA

Calcite crystal - fluorescent in SW and LW UV - with black Asphaltum (Bitumen).

collected by John Kohnowich (1950s-1960s), ex Robert Batić

from Clay Center, Ottawa County, Ohio, USA - now closed to collecting

Measures approximately 5 x 3 x 3 inch, 1 lb 2.00 oz / 127 x 76 x 76 mm, 510g

Price: 200.00 USD

Item # A0750115

To show the fluorescent response the specimen was illuminated using 6 watt 254nm (Short Wave) / 366nm (Long Wave) UVGL-58 lamp (you need a proper UV light source to observe the fluorescence, more powerful lamp = brighter response).

fluorescent calcite, asphaltum, Clay Center, Ottawa County, Ohio, ex Robert Batic, ex Kohnowich
fluorescent calcite, asphaltum, Clay Center, Ottawa County, Ohio, ex Robert Batic, ex Kohnowich

Crystal Prospect

fluorescent calcite, asphaltum, Clay Center, Ottawa County, Ohio, ex Robert Batic, ex Kohnowich
fluorescent calcite, asphaltum, Clay Center, Ottawa County, Ohio, ex Robert Batic, ex Kohnowich
fluorescent calcite, asphaltum, Clay Center, Ottawa County, Ohio, ex Robert Batic, ex Kohnowich
fluorescent calcite, asphaltum, Clay Center, Ottawa County, Ohio, ex Robert Batic, ex Kohnowich
fluorescent calcite, asphaltum, Clay Center, Ottawa County, Ohio, ex Robert Batic, ex Kohnowich