CELESTINE with CALCITE - closed locality - Meckley's Quarry, Pennsylvania, USA
Celestine (Celestite) crystals with clear Calcite and white Strontianite - fluorescent white in both SW and LW range (similar responses, SW is shown)
the locality is closed to collecting
Measures approximately 2.5 x 1.25 x 1 inch, 2.57 oz / 63 x 32 x 25 mm, 73g
Item # A1080214
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).