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"Yogo sapphire" is the preferred term for gems found in the Yogo Gulch, whereas "Montana sapphire" generally refers to gems found in other Montana locations. [18] More gem-quality sapphires are produced in Montana than anywhere else in North America. [18] Montana sapphires come in a variety of colors, though rubies are rare. [16] [18] [23]
In 2012, together with his family, he established a Gemological laboratory in Bangkok called Lotus Gemology. In 2017, Lotus Gemology published Hughes' book Ruby & Sapphire: A Gemologist's Guide, [7] covering the corundum gem species. [8] [9] In 2019, Tongji University created an exhibit centering on Lotus Gemology's photography. [10]
Another fine jewelry retailer, Shane Co. offers an impressive selection of engagement rings and wedding bands, but they also have hundreds of beautiful accessories made with precious gemstones.
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 evaluate gemstone quality.
Articles related to gemstones and maintained by WikiProject Gemology and Jewelry. Pages in category "WikiProject Gemology and Jewelry - Gemstones" The following 200 pages are in this category, out of approximately 374 total.
Queen Camilla, 76, had us going ooh la la with the stunning set of diamonds she wore during a recent trip to the Palace of Versailles. The queen consort and her husband, King Charles III, 74, are ...
St Edward's Sapphire set in the top cross of Queen Victoria's Imperial State Crown, c. 1838–1848 St Edward's Sapphire is an octagonal rose-cut blue sapphire that forms part of the British Crown Jewels .
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related to: montana queen sapphire gemology company catalog request number