bataklan Posted September 8, 2011 Report Posted September 8, 2011 A ceux qui ont eu la gentilesse de vouloir m'aider a determiner cette roche j'ai pris une photo a la loupe grossissant peut etre 20 fois et on aperçoit ce dessin ??? merci bataklan Quote
1frangin Posted September 8, 2011 Report Posted September 8, 2011 agate !! => http://www.geowiki.fr/index.php?title=Agate Quote
Augustin Posted September 8, 2011 Report Posted September 8, 2011 Silice probablement sous forme d'agate. Quote
cascaillou Posted September 8, 2011 Report Posted September 8, 2011 effectivement ya plus de doute possible. Bien joué la photo de qualité. Quote
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