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A star sapphire is a type of sapphire that exhibits a star-like phenomenon known as asterism; red stones are known as "star rubies". Star sapphires contain intersecting needle-like inclusions following the underlying crystal structure that causes the appearance of a six-rayed "star"-shaped pattern when viewed with a single overhead light source.
Ruspoli Sapphire: 136.9 carats (27.38 g) Stuart Sapphire: Sri Lanka 104 carats (20.8 g) Blue Tower of London: Bismarck Sapphire: Myanmar: 98.56 carats (19.712 g) Table Blue National Museum of Natural History, Washington James J. Hill Sapphire: 22.66 carats (4.532 g) Cornflower National Museum of Natural History, Washington
The Logan Sapphire brooch, National Museum of Natural History, Washington, D.C. The Logan Sapphire is a 422.98-carat (84.596 g) sapphire from Sri Lanka.One of the largest blue faceted sapphires in the world, it was owned by Sir Victor Sassoon and then purchased by M. Robert Guggenheim as a gift for his wife, Rebecca Pollard Guggenheim, who donated the sapphire to the Smithsonian Institution in ...
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Sapphire's products are based on AMD graphics processing units, and both AMD and Intel motherboard chipset technology. The company is the largest supplier of AMD-based video cards in the world. Sapphire was the first company to release a video card with a high definition multimedia interface connector.
SAPPHIRE (health care) The Situational Awareness and Preparedness for Public Health Incidences and Reasoning Engines (SAPPHIRE) is a semantics -based health information system capable of tracking and evaluating situations and occurrences that may affect public health. It was developed in 2004 by Dr. Parsa Mirhaji at the University of Texas ...
Clothing, accessories. Parent. Sapphire Textile. Website. sapphireonline .pk. Sapphire Retail is a clothing retailer. [2] It is a whole-owned subsidiary of public limited company Sapphire Textile. [1] The retailer is based in Lahore, Pakistan.
Estimated value. Est. US$100 million. Serendipity Sapphire is the world's largest star sapphire cluster. It weighs 510 kilograms (2,600,000 carats). [1] It was found in Kahawatte in the Ratnapura District, Sri Lanka, in July 2021. Its worth is estimated to be up to US$100 million. [1]