Fluorescent white LW/weak white SW- translucent off white Calcite crystals on matrix.

Ex R.G. Braun #3731 Old Collection!

From Edgemont, (Edgemont Uranium Mining District), Fall River Co., South Dakota, USA

Measures approximately 3 x 2 x 1 inch, 3.84oz. / 76 x 51 x 25 mm, 109g

Price: 50.00 USD

Item # SP S0271221

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 power lamp = brighter response).

Crystal Prospect

Fluorescent CALCITE crystals - Edgemont, Fall River Co., South Dakota, USA