In Mesopotamia, you can find obsidian blades from the 5th millennium B.C which material was excavated in Turkey. Researchers recently realized that using obsidian with this technique was quite efficient as two thirds of the patients would have survived this kind of operation. The most famous surgical operation is probably trepanation where you cut a part of the skull bone to clean a wound or to allow spirits to go in and out. The obsidian stone was more particularly used in surgery because it would cut well since 7000 B.C. more especially on the site of Kariandusi that is located on the fault rift in Kenya. Some traces of its use date back to 1500000 B.C. You can find it as knives, lances, arrows, axes… Obsidian can also be polished to get very rustic mirrors. Obsidian was used in certain cultures during the Stone Age because it was easy to carve and you could also get a very good sharp blade. History, legends and beliefs about obsidian It can be grey, dark green, red or black. Obsidian can go from transparent to translucide varieties. You can get it by fusing and cooling down acid lava from the rhyolite type. It is an igneous volcanic rock which chemical composition is made of aluminum silicates and a big percentage of silica oxide. This stone is sometimes called a volcano glass. It was the name of the Roman person who discovered this stone in Ethiopia. Healing properties and benefits of obsidian.History, legends and beliefs about obsidian.
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