![]() ![]() To be more precise, an electron microscope would reveal uneven and jagged edges on even the finest carbon steel blade. The potential sharpness of an obsidian blade is the sole benefit it has. Usage of Obsidian Blades Black Obsidian Arrowheads This process is known as knapping and it allows the obsidian to be shaped into a very sharp edge, with an edge that's so thin that it could even be used in surgical procedures. The edge of an obsidian knife is sharpened by chipping off small flakes of the glass until the desired edge is achieved. However, this isn’t the case with obsidian glass, whose crystals have an amorphous arrangement which makes it easier to make sharp edges out of them. This type of arrangement makes it difficult to carve a sharp edge out of it. One major reason why this is so is because of the arrangement of the crystals that form these materials.ĭiamond crystals are arranged in an octahedral fashion. You might think that diamonds are sharper than obsidian because of its reputation as the hardest material in the world, but the truth is, obsidian is way sharper. ![]() In comparison, most household razor blades are 300 to 600 angstroms! So, how sharp is Obsidian?Īn obsidian edge can be as fine as 30 angstroms. The sharpness of an obsidian edge is measured in angstroms, which is a unit of measurement equal to one hundred millionth of a centimeter. Yes, Obsidian has been subjected to several tests and has been proven to be the sharpest material that can be carved into a blade. It is most likely that they were introduced there by merchants from various cultures who traversed the world a very long time ago.Īre Obsidian Knives The Sharpest In The World? These cultures also employed them for ceremonial purposes, such as sacrificing animals or performing rites involving the letting of blood.Įven archaeological sites in Europe have produced evidence of the use of weapons fashioned from obsidian. Pieces of obsidian can be obtained by chipping away at the rock, and the broken piece is then sharped vigorously until the edge is smooth and sharp.Īncient civilizations like the Aztecs and the Ainus, were particularly fond of Obsidian weapons and used them extensively. Since the stone age, ancient men have made arrows, swords and scalpels out of obsidian glass. Obsidian has a long history that dates back several thousand years. What are Obsidian Blades? Obsidian Arrowheads Amorphous materials can be solids, liquids, or gases. In other words, the atoms in an amorphous material are not arranged in a regular, repeating pattern, as they are in a crystalline material. Amorphous refers to a material that does not have a definite crystal structure. ![]()
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