Thu 12 Nov, 2015 06:07 pm - Sorry for some reason my post didn't show up..
Thanks very much for the help.
I will suggest the tests and I hadn't thought of onyx at all but it most definitely could be. Another... (view)
Thu 12 Nov, 2015 01:07 pm - Yeh sorry,
I didn't find it. The man who posted found it in madagascar, saying that it was pulled out of a river alongside a shark fossil, claiming it was the fin. We don't think it... (view)
Thu 12 Nov, 2015 07:09 am - Hey guys,
On another forum I am on, everyone is a bit stumped by what this is. Any ideas?
(Failed calcite test)
[img]http://puu.sh/liMPD/ac00ece69e.jpg[/img]... (view)