![]() However, some of the names of the ones precious and semi-precious gemstones can be guessed by their name as well. They are mined in countries such as Tanzania, Kenya, and Mozambique which also produce other precious gems such as rubies, and sapphires. The origin of semi-precious stoones - Tanzanite, alexandrite, aquamarine, tourmaline, rhodolite semi-precious stones is East Africa, Origin of Precious and Semi-Precious stones? In 2016, twelve states produced approximately 90% of the natural gemstones mined in the United States. ![]() Gem and mineral enthusiasts use these stones for jewellery, carvings, and as samples. Agates, beryl, coral, diamond, garnet, jade, jasper, opal, pearls, quartz, sapphire, shell, topaz, tourmaline, turquoise, and other gemstones are among the most important in current development. The United States has produced approximately 60 different types of gemstones. Flint was widely used in the manufacture of tools and adornments. Shells were used as gemstones, ornaments, and currency along the Atlantic and Gulf coasts. ![]() Turquoise was mined in the southwest and used to create earrings and pendants. Native Americans fashioned turquoise, flint, amber, shells, obsidian, and other materials for jewellery, charms, engravings, and tools. The world's largest user of gemstones US is reliant on a supply of gems mined, mostly in developing countries.įor decades, gemstones have been mined in what is now the United States. Because the United States has little domestic gemstone production, over 99 per cent of these gemstones were imported. In 2013, US customers purchased 35% of the global supply of gems, although the US only accounts for around 4.4 per cent of the total population.Ĭonsumers in the United States spent about $25.68 billion on gemstones in 2016. The United States sells more gemstones than any other nation on the planet. Americans adore gemstones and have the resources to purchase them. Italy and the United Kingdom are two of Europe's biggest customers. The United States, China and India, Japan, and Middle Eastern countries are the largest consumers of precious and semi-precious stones. Topaz, quartz, citrine, aquamarine, agate, hematite, jade, garnet, and gold stone are among the semi-precious stones. The most common precious stones are diamond, ruby, sapphire, and emerald. To differentiate between precious and semi-precious stones, experts consider various characteristics such as index of refraction, relative density, dispersion, stiffness, cracking, cleavage, sheen, etc. Semi-precious stones have economic appeal, even though they are not as rare and exotic as precious stones. Natural stones of high economic value are known as precious and semi-precious stones.
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