File talk:Pyrolusite dendritic.jpg
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Very good photo from a didatic point of view. Congratulations!
Zimbres 14:09, 9 October 2006 (UTC)
- Inclusion of a scale would have been even better (even in the „early days“ of 2006)... --Gretarsson (talk) 15:39, 31 July 2018 (UTC)