fluorescent GYPSUM SELENITE - Guerrero Negro, Baja California Sur, Mexico
White Gypsum Selenite crystals, blue-white and orange-pink fluorescing in LW and SW.
Measures approximately 3 x 2 x 1.25 inch, 4.44 oz / 76 x 51 x 32 mm, 126g
this specimen is featured on mindat, minID # 1G1-FN2
Price: 50.00 USD
Item # A0050316 #20
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).