SHEILA TERRY / SCIENCE PHOTO LIBRARY SHEILA TERRY / SCIENCE PHOTO LIBRARY
Neolithic tool. Ancient stone tool made by a neolithic (stone age) human around 6000 BC. This is a flake, a sharp sliver of stone which was chipped from a larger block. It is made from obsidian, a hard, black volcanic rock commonly used in the neolithic age for the construction of tools and weapons. This flake was made from obsidian quarried in Monte Arci, Sardinia, Italy.
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