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File:Uranpyrochlore-0920878001268571530.jpg

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English: Locality: St Lawrence Columbium Mine, Oka complex, Oka, Deux-Montagnes RCM, Laurentides, Québec, Canada Two small crystals of uranpyrochlore in carbonatite matrix. The dimension of the largest crystal was 4mm. This specimen is significantly radioactive for it's size, X-ray identification shows these pyrochlores to be metamict. Collected 2007 - Donald Doell.
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Source http://www.mindat.org/photo-207923.html
Author Donald Doell

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current14:52, 15 March 2012Thumbnail for version as of 14:52, 15 March 20121,024 × 892 (166 KB)Sbisolo (talk | contribs)

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