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  • Leslie Emerson posted an image in the group Group logo of What is it?What is it? from the myFOSSIL app 1 month ago

    1 month ago
    1 month ago

    This one is large and very heavy. Found in south eastern Missouri. It has an octahedral shape.

    • Rock. Rather than picking up every odd shaped rock, I recommend you look at the rocks to see if there are regular shapes in them or things that are a radically different color or texture. For example, a shell or trilobite will dissolve away and the resulting void may later be filled in by a different material. Fossils will often really stand out from the background rock and be fairly obvious.