Crystal Prospect

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).