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Bahia Emerald [2]; Carolina Emperor, [3] [4] 310 carats uncut, 64.8 carats cut; discovered in the United States in 2009, resides in the North Carolina Museum of Natural Sciences, Raleigh, NC, US
In popular culture, sets of precious substances may form hierarchies which express conventional perceived relative value or merit. Precious metals appear prominently in such hierarchies , but as they grow, gems and semi-precious materials may be introduced as part of the system.
The traditional distinction does not necessarily reflect modern values; for example, while garnets are relatively inexpensive, a green garnet called tsavorite can be far more valuable than a mid-quality emerald. [11] Another traditional term for semi-precious gemstones used in art history and archaeology is hardstone. Use of the terms 'precious ...
This is a list of gemstones, organized by species and types. Minerals. There are over 300 types of minerals that have been used as gemstones. Such as: A–B
Pages in category "Gemstones" The following 144 pages are in this category, out of 144 total. This list may not reflect recent changes. ...
After paying $150,000 for the raw stones, Kogen has transformed them into exquisite rubies worth an estimated $530,000 in the marketplace. Learn more about Don Show comments
Some gemstones that are popularly or historically called rubies, such as the Black Prince's Ruby in the British Imperial State Crown, are actually spinels. These were once known as "Balas rubies". The quality of a ruby is determined by its color, cut, and clarity, which, along with carat weight, affect its value. The brightest and most valuable ...
When discovered in 1905 the 3106.75 carat (621.35 g) Cullinan was the largest rough gem-quality diamond ever found. It was cut into 105 diamonds including the Cullinan I or the Great Star of Africa, 530.2 carats (106.04 g), and the Cullinan II or the Second Star of Africa, 317.4 carats (63.48 g), both of which are now part of the British Crown ...