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File:Genthelvite-171476.jpg

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English: Genthelvite, Aegirine
Locality: Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada
Xls to 2⅛ mm on edge. Via Jean-Pierre Beckerich (2003) MOB coll.
A very clean and sharp penetration twin. The xls are quite gemmy, something that is more apparent in stereo. See the child photo. From a pegmatite with kupletskite, microcline, albite, polylithionite and pale blue fluorite. Small xls of the last three are visible at the top.
Deutsch: Genthelvin, Aegirin
Fundort: Steinbruch Poudrette (Demix, Uni-Mix, Desourdy), Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Kanada
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Source http://www.mindat.org/photo-171476.html
Author Modris Baum

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Public domain This work has been released into the public domain by its author, Modris Baum. This applies worldwide.
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Modris Baum grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

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current08:58, 21 July 2013Thumbnail for version as of 08:58, 21 July 2013620 × 1,024 (161 KB)Ra'ike (talk | contribs)== {{int:filedesc}} == {{Information |Description= {{en|Genthelvite, Aegirine ::Locality: Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, Rouville ...

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