The Difference Between Semi-precious Stones and Precious Stones
Among all natural gemstones, it can be subdivided into precious stones and semi-precious stones. Precious stones mainly include: diamonds, rubies, sapphires and emeralds. In terms of price, these gems are definitely valued by carat, so many times the gems refer to them.
Common semi-precious stones include amethyst, citrine, topaz, garnet, peridot, morganite, tanzanite, zircon, grapestone, moonstone, coral, etc.
Semi-precious stones can be divided into quartz gemstones and non-quartz gemstones. Among quartz gemstones, crystal is the most important and most diverse type of gemstone. The rest are tourmaline, aquamarine, peridot, amethyst, garnet, agate and so on. Non-quartz gemstones include amber, coral and so on.
It should be noted in the classification that the general classification principle is mainly based on the hardness and price of the gemstone.
That is to say, the higher the hardness of the precious stone, the more rare it is and the more expensive it is. However, in fact, many valuable semi-precious stones are also priced according to carat, such as tourmaline, rutilated quartz, ghost crystal, etc., so it depends on the actual situation. Be aware that gems are purely natural products, so there are no absolutely identical gemstone.
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