It's several times sharper than surgical steel and has an iridescent beauty that masks its use as a deadly tool. It's obsidian — a hard, dark volcanic glass used for thousands of years by American ...
AMARILLO, Texas (KFDA) - A group at Arts in the Sunset in Amarillo is continuing the tradition of flint knapping. Donald Cameron with Panhandle Flint Knappers says around 2007, he ran into a man out ...
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