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| Keywords: Helvine-173048.jpg Helvine Helvite Locality Poudrette quarry Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire Mont Saint-Hilaire Rouville RCM Montérégie Québec Canada FOV 1 4 x 1 8 mm MOB coll MSH helvite can be reliably distinguished from genthelvite via its UV response deep red vs green - Horvath et al Min Rec 1990 etc According to Mandarino helvite at MSH does not fluoresce But these xls do fluoresce fairly bright red - as per Horvath I collected this and a few other xls from a mislabeled specimen I didn't get what I paid for but I think I got my money's worth - helvite is quite rare at MSH Helvin Sichtfeld 1 4 x 1 8 mm Fundort Steinbruch Poudrette Demix Uni-Mix Desourdy Mont Saint-Hilaire Rouville RCM Montérégie Québec Kanada http //www mindat org/photo-173048 html 2008-07-06 http //www mindat org/user-11235 html 0 Modris Baum Modris Baum Helvine Poudrette Quarry Files by Modris Baum from mindat | ||||
