Crystal Prospect

fluorescing SODALITE - Mont Saint-Hilaire, Quebec, Canada

Fluorescent (orange LW, orange-red SW) light gray-blue colored Sodalite with dark green Aegirine (Acmite) in Feldspar (fluorescent red SW).

from Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire; MSH), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada

at this locality, in 2017 , "collecting is restricted to one or two 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 1.5 x 1.25 x 1.25 inch, 3.06 oz / 38 x 32 x 32 mm, 87g

this specimen is featured on mindat, minID: W5U-3HM

Item # A0030619

SOLD

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).