Crystal Prospect

fluorescent TALC - Balmat, St. Lawrence Co., New York, USA

White Talc, fluorescing greenish-white in SW UV.

from Balmat, Balmat-Edwards Zinc District, St. Lawrence County, New York, USA

Measures approximately 4 x 2 x 0.75 inch, 6.45 oz / 102 x 51 x 19 mm, 183g

this specimen is featured on mindat, RN8-LJX

Price: 28.00 USD

Item # A1131213

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).