tobi1 Posted February 9 Share Posted February 9 Interesting rock I have cut in half. Any idea what it is? Link to post Share on other sites
IsaacTheFossilMan Posted February 9 Share Posted February 9 Looks geological to me. Link to post Share on other sites
yardrockpaleo Posted February 9 Share Posted February 9 It doesn't appear to be a fossil, I'd say quartz or something along those lines Link to post Share on other sites
Ludwigia Posted February 10 Share Posted February 10 Yes, quartz would be a good guess, although it could also be calcite, which would scratch with a penknife. Quartz would not, since it is harder. Link to post Share on other sites
fifbrindacier Posted February 10 Share Posted February 10 1 hour ago, Ludwigia said: Yes, quartz would be a good guess, although it could also be calcite, which would scratch with a penknife. Quartz would not, since it is harder. And calcite fizzes with vinegar. Link to post Share on other sites
tobi1 Posted March 1 Author Share Posted March 1 it appears to be fossil egg with crystalized something inside but im just guessing at it but interesting none the less Link to post Share on other sites
Rockwood Posted March 1 Share Posted March 1 40 minutes ago, tobi1 said: with crystalized something inside I think what is crystallized here is actually the more concentrated mineral(s?) that cemented the form of the egg shape. A concretion is what I believe this to be. It is possible that the inclusions are fossils of some sort, but I can't actually identify them as such. 1 Link to post Share on other sites
Fossildude19 Posted March 1 Share Posted March 1 TOPICS MERGED. It is best to keep topics together when discussing one item. One topic is plenty. It is still a rock, and not an egg. 1 Link to post Share on other sites
Plax Posted March 1 Share Posted March 1 I believe Columbia is in the crystaline belt of the piedmont or close to it. I'd google up a geology map of South Carolina to see what you're looking at. Link to post Share on other sites
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