fluorescent DOLOMITE, CALCITE with ZINCITE - Franklin, New Jersey, USA
Red SW fluorescent and briefly phosphorescent Calcite (move lamp away quickly to observe), dark red SW fluorescent Dolomite, small black Franklinites, spots of red Zincite, blue-gray SW / white LW fluorescent and phosphorescent Aragonite, and a trace of green SW fluorescent and phosphorescent Willemite.
This combination of fluorescent minerals known as "Crazy Calcite" comes only from Franklin and Sterling Hill.
Measures approximately 4 x 3 x 2.5 inch, 1 lb 2.95 oz / 102 x 76 x 63 mm, 537g
Item # A0041218
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).