Great thread and fantastic knives. My question is whether the Inuits made the tools before the material fossilized or after? I'm thinking that they must have been made before fossilization because the fossilized version would likely just shatter when worked. Anyone know? Also, how old is the FWI? There are large quantities of fossilized bones in FL -- mainly fish bones and teeth but also dugong bones (manatee relative) -- that I believe are in the 1 million year old range but I believe it "only" takes a few thousand years for bone to fossilize. Thanks.