Modern obsidian scalpels look nothing like the decorative flint-knapped knives of Neolithic man ... concedes that the Stone Age scalpels are not for everyone. “If it was let loose on the ...

Flint, chert, jasper, chalcedony, quartz, and obsidian are a few that do. Try the different types of rock in your area to see what works best. There are two ways to get sharp flakes of rock for your ...

Known as Obsidian Cliff ... Over the last 11,500 years or so, the stone has been fashioned into deadly knives, razor-sharp spear points, darts for atlatls, or spear-throwers, and arrowheads.

More than a dozen stone knives have been found in the ancient ... "The offering is made up of 16 pieces: three of flint and 13 of obsidian, materials that are not available in the Yucatán ...

(AP) - Traces of blood and fragments of muscle, tendon, skin and hair found on 2,000-year-old stone knives have given researchers the first conclusive evidence that the obsidian blades were used ...

Related: Oregon Archaeologists Discover 15,000-Year-Old Knife It was the heat of summer ... “The next day I dig and a find this black obsidian stone. I thought, that’s a neat rock.

Underneath sat a stone box. Inside the box sat three blocks of copal tree resin, 59 pocket knives and seven obsidian stone knives, all between 4 and 6 inches in length, the institute said.