1. Old Black Bone with Amber Marrow. Is this considered a Dinosaur Gem Bone? Or??

    Check out photos. What would you call it? I think this is a fossilized black bone with yellow /amber marrow in center. So, I wonder if it is a dinosaur gem bone. :icon_scratch: It is approx. 3 inches and quite heavy - almost 4 ounces. There is some white shell stuck to it so it must have been...