File:Birnessite, Rancieite, Microcline, Aegirine - Demix-Varennes quarry, Saint-Amable sill, Quebec, Canada.jpg

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Birnessite,_Rancieite,_Microcline,_Aegirine_-_Demix-Varennes_quarry,_Saint-Amable_sill,_Quebec,_Canada.jpg ‎(471 × 519 pixels, file size: 63 KB, MIME type: image/jpeg)

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Description
English: Birnessite, Rancieite, Microcline, Aegirine (picture width: 2.6 x 2.8 mm)
Locality: Demix-Varennes quarry, Saint-Amable sill, Varennes & St-Amable, Lajemmerais RCM, Montérégie, Québec, Canada
Original description: Pseudomorph of birnessite/rancieite after serandite. (Thanks to Laszlo Horvath for information regarding the rancieite.) Most such PS at STA are jet black. Perhaps this one has not yet altered completely. The microcline is white. Aegirine tufts are olive brown.
Deutsch: Birnessite, Birnessit, Ranciéit, Mikroklin, Aegirin (Bildgröße: 2,6 x 2,8 mm)
Fundort: Grube Demix-Varennes, Saint-Amable Schwelle, Varennes & St-Amable, Lajemmerais RCM, Montérégie, Québec, Kanada
Beschreibung: Pseudomorphose von Birnessit/Ranciéit nach Serandit. Mikroklin ist weiß, Aegirin-Büschel sind olivbraun.
Date
Source http://www.mindat.org/photo-187140.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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current11:36, 14 January 2011Thumbnail for version as of 11:36, 14 January 2011471 × 519 (63 KB)Ra'ike (talk | contribs)== {{int:filedesc}} == {{Information |Description= {{en|Cerite-(Ce) (picture width: 2.6 x 2.8 mm) ::Locality: Demix-Varennes quarry, Saint-Amable sill, Varennes & St-Amable, Lajemmerais RCM, Montérégie, Québec, Canada ::''Original descri

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