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O'Brien, Cory (1)
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O'Grady, Thomas John (3)
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O'Neal, Evan (1)
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O'niell-Cerritos, Patricia (1)
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O'Toole, Patricia (1)
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Oakes, Ray (2)
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Oakland, Mary Ellen (1)
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obituaries (28)
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Oborne, Tricia (2)
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Obsidian (26)
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Obsidian blade : no tang. (5)
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Obsidian blade cache (5) (6)
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Obsidian blade cache : 2. (4)
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Obsidian blade with tang (knife). (6)
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Obsidian core. (6)
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Obsidian disc. (4)
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Obsidian has been core flaked and pressure flaked to form a very cylinder. It was abraded and polished the perimeter was grooved wearing. (4)
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Obsidian is a hard, black volcanic glass that can be worked with ease. Mesoamericans knocked off thin layers or blades from an obsidian core and further refined or shaped their tools or objects by pressing or pushing off small pieces of the stone. Blades were further flattened or worn away with abrasive grits or sands. Holes were drilled or knocked into the blade. These obsidian crescent pendants (jewelry) have been created using the above process. (4)
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Obsidian is a volcanic glass-like stone cleaves concavely. Working with obsidian requires great skill. The process involves core flaking, pressure flaking, drilling, abrading as well as polishing. It is very labor intesive. Two of the labrets have been inlaid with a white material. (8)
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Obsidian jewelry : crescent-shaped pectorals. (4)
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Obsidian jewelry : earrings. (6)
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