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The only color corundum stone that the term sapphire is not used for is red, which is called a ruby. [1] Pink colored corundum may be either classified as ruby or sapphire depending on locale. Commonly, natural sapphires are cut and polished into gemstones and worn in jewelry.
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
The name sapphire is derived from the Latin word sapphirus, itself from the Greek word sappheiros (σάπφειρος), which referred to lapis lazuli. [2] It is typically blue, but natural "fancy" sapphires also occur in yellow, purple, orange, and green colors; "parti sapphires" show two or more colors.
Gemstones of the World revised 5th edition, 2013 by Walter Schumann ISBN 978-1454909538 Smithsonian Handbook: Gemstones by Cally Hall, 2nd ed. 2002 ISBN 978-0789489852 hide
The Black Star of Queensland, also known as the Brimstone of Queensland, named after its nature and place of origin, is a 733-carat (146.6 g) black sapphire, and was the world's largest gem quality star sapphire until The Star of Adam was discovered. The Black Star sapphire is an oval-shaped gemstone cut as a cabochon like all other star ...
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.
Applied Jewelry Professional (AJP) GIA also exists to educate the gem and jewelry industry and the general public through its publications and outreach efforts. Most notable of these efforts is the quarterly publication of the magazine Gems & Gemology, a respected journal in the field. The journal includes full-length feature articles, as well ...
"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]
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