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Can some identify this geode? It was found in upstate New York in a flat sandy plain 1/4 away from the Hudson River. The geode is approximately 3" long, brown exterior, 1/4" "shell" gray , and 1 1/2" center made of what appears to be a dense mineral.

enter image description here

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closed as off-topic by Leukocyte, uhoh, Erik, Peter Jansson, trond hansen Aug 30 at 9:18

This question appears to be off-topic. The users who voted to close gave this specific reason:

  • "Questions about rock identification requests are off-topic. For more information, see the announcement on meta." – Leukocyte, uhoh, Erik, Peter Jansson, trond hansen
If this question can be reworded to fit the rules in the help center, please edit the question.

  • $\begingroup$ what makes you think it is a geode? can we see a close up of the texture, it looks more like sawmarks on the outside than a change in grain structure. $\endgroup$ – John Jun 27 '18 at 0:52
  • $\begingroup$ you need to provide a lot more information about it,and it is obviously cut by some tool but you do not mention this in your question. $\endgroup$ – trond hansen Jun 27 '18 at 11:58
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It is a uniform rock,possibly granite and it have been cut in half by an angle grinder.

the shape of the rock suggests it have been shaped by water in a river or on a beach.

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