Het Patel Posted September 15, 2021 Share Posted September 15, 2021 Link to comment Share on other sites More sharing options...
Ludwigia Posted September 15, 2021 Share Posted September 15, 2021 Looks like a rock with mineral inclusions to me. 1 Greetings from the Lake of Constance. Roger http://www.steinkern.de/ Link to comment Share on other sites More sharing options...
Het Patel Posted September 15, 2021 Author Share Posted September 15, 2021 Oh! May be. Link to comment Share on other sites More sharing options...
abyssunder Posted September 17, 2021 Share Posted September 17, 2021 I speculate with the idea of a bioeroded rock. Could you post high-res images from different angles? " We are not separate and independent entities, but like links in a chain, and we could not by any means be what we are without those who went before us and showed us the way. " Thomas Mann My Library Link to comment Share on other sites More sharing options...
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