![]() This is an important factor, as it will impact how easily your jewelry will become scratched, which can happen with everyday use. The Mohs scale is rated from 1 to 10, with 1 being the least hard and 10 being the most scratch resistant. Hardness is rated on the Mohs scale and refers to how much a material is prone to surface level scratches. ![]() That said, nearly all obsidian sold for jewelry is black. It is possible to also find silver or violet hues. Most commonly black, obsidian can also be gray or have banding with brown tones.Ĭlear obsidian, which is exceptionally rare, includes tones as surprising as blue, green and even red. Because of this, at least in theory, there’s more selection when it comes to hue. Varieties include sheen, snowflake, rainbow, and mahogany obsidian. Obsidian overall has more variety, at least in theory, from onyx. Often, jewelry retailers will dye onyx for a uniformly black hue, which is considered preferable to the undertones of other colors. The most common onyx you’ll find is banded or black. However, depending on the gemstone, it can also include layers or undercurrents of some tints of red, brown, yellow and blue. Onyx comes in black, banded white, and some solid black hues. That said, keep in mind that nearly all onyx and obsidian sold by fine jewelers or even on Etsy is most available in the black color family. While both onyx and obsidian are most commonly seen in black hues (black obsidian stone) – perfect for a formal occasion and a regal statement– you might be surprised to know that there is some variety in terms of hues (and based on the type of volcanic glass from the volcanic lava flow). Obsidian has been dated before the stone age, with its earliest use for things such as arrowheads. Obsidian is not a typical gemstone, but instead composed of volcanic glass with mineral impurities and is formed by quickly cooling molten lava.Īs such, obsidian is found at the site of volcanic eruptions, with regions including Argentina, Armenia, Mexico, New Zealand, the Canary Islands, and multiple regions in the Western United States. Obsidian, meanwhile, has a rather unique composition and background. Composed of silica, it typically exhibits a triangular formulation in its natural state. It was used in Ancient Egypt to construct pottery, while the Romans associated it with good fortune for war. Onyx is a natural gemstone that can be found throughout the world, in regions such as: Yemen, Germany, Pakistan, India, China, Canada, Argentina, Australia, Brazil, and some parts of the United States.
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