Peridot is one of the silicates and is not considered a high-grade gemstone.

High-grade gemstones are diamonds, emerald, ruby, sapphire, Xinjiang nephrite, mid-grade gemstones are tourmaline, peridot, topaz, pearl, amber, agate, garnet, opal and so on, and low-grade gemstones are fluorite, moonstone, auriculite and so on. Peridot is of a lower grade and is not considered high grade. However, there are individual peridot of higher grade, such as sky gemstone, emerald, etc., while other varieties are of average grade.

Peridot crystallizes in mantle magma pools and is extremely resistant to high temperatures. At the same time, peridot is one of the few gemstones that also formed in outer space, and has been found on the moon and Mars. In addition, peridot's resistance to high temperatures allows it to withstand the heat of passing through the atmosphere and safely "reach" Earth, hence its presence in meteorites. These beautiful peridot from outer space, also known as "heavenly jewels", help mankind to explore the secrets of the universe.

Use of peridot

Peridot is not only used in jewelry, but also in industrial production. For example, China's production of steel parts using magnesium olivine, sand, with high temperature resistance, corrosion resistance, good stability. This is due to the higher melting point of magnesium olivine so that it can be used as a very good refractory material (pure magnesium olivine melting point can reach 1890 ℃). Meanwhile, both industrial grade olivine sand and basalt have a wide range of uses.

Industrial grade olive sand is a natural and environmentally friendly alternative to other industrial abrasives, and can be widely used in metallurgical auxiliaries, high manganese steel and other materials. On the other hand, basalt is widely used in construction, industry and highway engineering. In particular, crushed basalt can be used for road base, concrete aggregate, asphalt pavement aggregate, railroad ballast, filter stone in drainage field and many other applications, also it can be made into fine, fine and ultrafine fibers with superior thermal stability, heat resistance and sound insulation, seismic resistance and durability.

Reference: Baidu Encyclopedia-Olivine