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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:
Sunrise Ruby. The Sunrise Ruby [1] [2] [3] is the world's most expensive ruby, most expensive coloured gemstone, and most expensive gemstone other than a diamond. [2] [3] [4] Originally mined in Myanmar, its current name is derived from a poem of the same name, written by the 13th-century Sufi poet Rumi. [5]
Gemporia US (formerly known as Rocks TV) is a former American reverse auction jewellery shopping channel which formerly was carried on American cable and satellite providers. The channel was launched on July 12, 2012, as Rocks TV, and operated from the United Kingdom from Gemporia's studios in Redditch, sharing Gems TV personnel.
Gemfields Group Ltd. Gemfields Group Ltd (formerly Pallinghurst Resources Limited) is a British mining company incorporated in Guernsey and headquartered in London, United Kingdom, and is a supplier of coloured gemstones. [5] The company specializes in the mining, processing and sale of coloured gemstones, in particular emeralds and rubies.
Characteristics and classification. A collection of gemstone pebbles made by tumbling the rough stones, except the ruby and tourmaline, with abrasive grit inside a rotating barrel. The largest pebble here is 40 mm (1.6 in) long. The traditional classification in the West, which goes back to the ancient Greeks, begins with a distinction between ...
Logan Sapphire. Star of Bombay, given to Mary Pickford by Douglas Fairbanks, Sr. Star of India. Stuart Sapphire. Black Star of Queensland. Star of Adam, with a weight of 1,404.49 carats (280.898 g), it is the largest star sapphire in the world. Queen Marie of Romania Sapphire.
Website. www .gia .edu. The Gemological Institute of America ( GIA) is a nonprofit institute based in Carlsbad, California. It is dedicated to research and education in the field of gemology and the jewelry arts. [1] Founded in 1931, GIA's mission is to protect buyers and sellers of gemstones by setting and maintaining the standards used to ...
The auction ended with no sale and is still considered the most expensive loose diamond ever offered and listed on the eBay auction site. The intended sale is referenced on various websites under The Incomparable Diamond.
Leaders of states in the U.S. which have significant mineral deposits often create a state mineral, rock, stone or gemstone to promote interest in their natural resources, history, tourism, etc. Not every state has an official state mineral, rock, stone and/or gemstone, however.
Catawiki. Catawiki is an online auction platform for buying and selling special items and collectibles. Catawiki was founded in 2008 as an online community for collectors. Since 2011, the company has been hosting weekly online auctions, in various categories such as vintage comic books, model trains, coins, watches, art, jewellery and classic ...