Den430 Posted July 16, 2017 Share Posted July 16, 2017 (edited) Hey guys, so I need help in figuring what this is. So this belonged to my grandpa who passed away recently. My mom told me it was given to my grandpa by his grandfather back in a rural village in Northern China. It has a slight crack in the rock due to transport about 30 years ago. Also I shined a light in the back to show the transparency. Any help would be appreciated! Thanks! Edited July 16, 2017 by Den430 Link to comment Share on other sites More sharing options...
ynot Posted July 16, 2017 Share Posted July 16, 2017 Welcome to TFF! It is an orthocone nautilus. Tony Darwin said: " Man sprang from monkeys." Will Rogers said: " Some of them didn't spring far enough." My Fossil collection - My Mineral collection My favorite thread on TFF. Link to comment Share on other sites More sharing options...
Miocene_Mason Posted July 16, 2017 Share Posted July 16, 2017 I agree with orthocerid, and a pretty one, some opalization has occurred. It's also very large, average fossils of this type are a few inches. “...whilst this planet has gone cycling on according to the fixed law of gravity, from so simple a beginning endless forms most beautiful and most wonderful have been and are being evolved.” ~ Charles Darwin Happy hunting, Mason Link to comment Share on other sites More sharing options...
ynot Posted July 16, 2017 Share Posted July 16, 2017 2 minutes ago, WhodamanHD said: I agree with orthocerid, and a pretty one, some opalization has occurred. It's also very large, average fossils of this type are a few inches. Looks more like backlit agate and Orthocone nautiloids range in size from less than an inch to (in some giant endocerids of the Ordovician) seventeen feet (or five meters) long. Darwin said: " Man sprang from monkeys." Will Rogers said: " Some of them didn't spring far enough." My Fossil collection - My Mineral collection My favorite thread on TFF. Link to comment Share on other sites More sharing options...
Miocene_Mason Posted July 16, 2017 Share Posted July 16, 2017 15 minutes ago, ynot said: Looks more like backlit agate and Orthocone nautiloids range in size from less than an inch to (in some giant endocerids of the Ordovician) seventeen feet (or five meters) long. Yeah, but the longer ones are rare, when I said "average" I meant ones generally found by fossil hunters, as well as ones on the market that I've seen. “...whilst this planet has gone cycling on according to the fixed law of gravity, from so simple a beginning endless forms most beautiful and most wonderful have been and are being evolved.” ~ Charles Darwin Happy hunting, Mason Link to comment Share on other sites More sharing options...
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