Gmelinite-Na
Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
FOV 3.7 x 2.4 mm. Analyzed find from 2003. MOB coll.
Very unusual (for MSH) prismatic gmelinite-Na from a very unusual association with raite, lovozerite group, epistolite, steenstrupine-(Ce), sérandite, manganoneptunite, “eudialyte”, microcline and perhaps terskite.
The gmelinite was conclusively ID at CMN. Most of the others at CMN ...