artifact?...or

  1. Is it an artifact or just a rock

    Hi , I was just peering into my creek this morning & picked this up. What do you think ? Is it a tool or just a rock!
  2. Help! Is this a rock, fossil, some thing else?

    I am new to treasure hunting. Found this in sticky clay of natural spring on S. Oregon coast. Has shiny outer shell and a smooth grain under loupe.I have looked in all rock, mineral and fossil pics I can find. Not magnetic. Any help is appreciated.
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