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Learn About Precious and Semi-Precious Gemstones

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Any mineral that is valued for its beauty or its toughness is known as a gemstone. There are different kinds of gemstones such as rubies, diamonds, emeralds, tigers-eye, pyrite, sapphires, and turquoise. The value of a gemstone is determined by several factors. Among all the different types of gemstones, some types are more valued than others. There may be several reasons for this valuation. The gemstone can be a very rare type of gemstone, a gemstone currently in the fashion trend, or a gemstone that is more beautiful than others. If you closely examine the above-mentioned criteria used to differentiate gemstones, you will see that these criteria are highly variable. For instance, until the discovery of large deposits of amethyst in Brazil, amethyst was considered to be a precious gemstone. After the finding of these deposits, amethyst was considered to be a semi-precious gemstone. Presently, diamonds, emeralds , rubies , and sapphires are considered to be precious gemston