Indeed, the roughness of this beautiful obsidian is sometimes impossible to find at any price.įinished stones could be discovered, and cabochons and occasional specimens with a polished face to show the optimal phenomenon. That material is extremely rare, coming mainly from one place in Oregon, and is hard to cut. In the base of cases, they could compete with high-end stones and precious opal. That optical phenomenon is comparable to labradorite but with many intense colors in most cases. However, even the best did not demand near the price of fire obsidian. Recently, superior quality rainbow sheen obsidian was the most expensive of the varieties available. Such colors are often intense and bold, but the obsidian keeps a black appearance from many angles. That rare form of gemstone shows rainbow colors when it is displayed at the right angle. The most valuable and rarest obsidian type is referred to as fire obsidian. For example, one is in a league of its own in both expense and in appearance. However, some are more valuables than others are. You will find different types of obsidian in the market today. What is the most expensive and rarest type of obsidian? Furthermore, the Balchik Volcano has located only seven kilometers away from that area. Thanks to its hardness, this rock keeps its sharp edge.Īlso, the earliest obsidian artifacts were found in the Paleolithic site in Melka Kunture in Ethiopia. Some of the sharpest artifacts seen from the past have been created out of the gemstone. Rhyolite has 10% water by weight, but obsidian only has 1% water.Īncient Greek, Aztecs, and Native American civilizations utilized obsidian for ornaments, tools, and weapons. The chemical composition is the same as Rhyolite. That igneous rock is rich in silica, at least 65% to 80%. Obsidian has been widely used throughout history in different ways. Rainbow obsidian sells for $20 to $50, depending on the coloration and size What is obsidian used for?.Black obsidian sells for $25 to $30 for pure black stone.Gold sheen obsidian sells for $10 to $20.The following provides pricing information on the different types of obsidian: There are some exceptions to that because this gemstone is rarer than others. What are the different types of obsidian?īecause of obsidian’s plentiful nature, this rock isn’t that expensive.What is the most expensive and rarest type of obsidian?.
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