Re: Re: Rare and tough material
Re: Re: Rare and tough material -- TASART Post Reply Edit Forum Where am I?
Posted by: TASART Post Reply
08/29/2018, 13:56:09

the stone is absolutely not sedimentary, it is not porous and the fractures are concoidal as in chalcedony

5_Untitled-4.jpg (141.0 KB)  Untitled-2e.jpg (131.8 KB)  


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