fluorescent SODALITE - Poudrette Quarry, Mont Saint-Hilaire, Quebec, Canada
Pale blue colored Sodalite - fluorescent orange LW and dark red SW, with dark Aegirine (Acmite), in matrix. One side is cut.
At this locality "collecting is restricted to 2-3 field trips per year, to small groups (drawn by lottery) of members of the Club de Minéralogie de Montréal, under very strict rules" (mindat.org)
Measures approximately 3 x 2.5 x 2 inch, 1 lb 2.00 oz / 76 x 63 x 51 mm, 510g
Price: 300.00 USD
Item # A0770115
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).