WHowey Posted August 21, 2014 Share Posted August 21, 2014 I found this several years ago, I believe in Michigan. Still have no idea what it is. Anybody know? Thank you Link to comment Share on other sites More sharing options...
RyanNREMTP Posted August 21, 2014 Share Posted August 21, 2014 At the most I think an internal mold of a gastropod that is worn down or just a very interesting rock. Link to comment Share on other sites More sharing options...
fossilized6s Posted August 21, 2014 Share Posted August 21, 2014 I have found similar things. I think there an igneous quartz deposit of some sort. In other words, it's not a fossil, but it's a cool looking mineral. ~Charlie~ "There are those that look at things the way they are, and ask why.....i dream of things that never were, and ask why not?" ~RFK ->Get your Mosasaur print ->How to spot a fake Trilobite ->How to identify a CONCRETION from a DINOSAUR EGG Link to comment Share on other sites More sharing options...
BobWill Posted August 21, 2014 Share Posted August 21, 2014 Welcome to the forum. I've seen some very odd looking items on here but I think yours is the oddest ever. If it was an internal mold of something what could those spirals or concentric circles be? It just almost has to be geologic but even then I would love to know what process could form something that strange. Link to comment Share on other sites More sharing options...
fossilized6s Posted August 21, 2014 Share Posted August 21, 2014 I don't mean to hyjack the thread. But here's an example of a few of mine. They definitely look geologic in-hand. ~Charlie~ "There are those that look at things the way they are, and ask why.....i dream of things that never were, and ask why not?" ~RFK ->Get your Mosasaur print ->How to spot a fake Trilobite ->How to identify a CONCRETION from a DINOSAUR EGG Link to comment Share on other sites More sharing options...
TqB Posted August 21, 2014 Share Posted August 21, 2014 It's beekite, hence the concentric circles - the shape suggests a horn coral (if it is actually a fossil). Is anything visible on the end view? 1 Tarquin Link to comment Share on other sites More sharing options...
Al Dente Posted August 21, 2014 Share Posted August 21, 2014 I don't mean to hyjack the thread. But here's an example of a few of mine. They definitely look geologic in-hand. IMG_20140821_003504.jpgIMG_20140821_003603.jpg I think your specimens are geodized crinoid stems. Sometimes during the silification process fossils can become much larger and deformed. Here is a plate from the book "The Formation of Geodes with remarks on the silicification of fossils" 1908 by Ray S. Bassler. 1 Link to comment Share on other sites More sharing options...
WHowey Posted August 21, 2014 Author Share Posted August 21, 2014 Here is a pic of the bottom Link to comment Share on other sites More sharing options...
TqB Posted August 21, 2014 Share Posted August 21, 2014 (edited) Here is a pic of the bottom Just more beekite I'm afraid, the shape still says possible coral or indeed crinoid but nothing to prove it... Edited August 21, 2014 by TqB Tarquin Link to comment Share on other sites More sharing options...
fossilized6s Posted August 21, 2014 Share Posted August 21, 2014 Interesting guys, thanks. I've learned something new. ~Charlie~ "There are those that look at things the way they are, and ask why.....i dream of things that never were, and ask why not?" ~RFK ->Get your Mosasaur print ->How to spot a fake Trilobite ->How to identify a CONCRETION from a DINOSAUR EGG Link to comment Share on other sites More sharing options...
WHowey Posted August 22, 2014 Author Share Posted August 22, 2014 Thanks everyone for your help Link to comment Share on other sites More sharing options...
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