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An uncut, rough yellow sapphire found at the Spokane Sapphire Mine near Helena, Montana. Sapphire is one of the two gem-varieties of corundum, the other being ruby (defined as corundum in a shade of red). Although blue is the best-known sapphire color, they occur in other colors, including gray and black, and also can be colorless.
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 ...
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
Star of India. The Star of India is a 563.35- carat (112.67 g) star sapphire, one of the largest such gems in the world. [1] [a] It is almost flawless and is unusual in that it has stars on both sides of the stone. The greyish-blue gem was mined in Sri Lanka [3] and is housed in the American Museum of Natural History in New York City .
Sapphire is a saturated shade of blue, referring to the gemstone of the same name. Sapphire gems most commonly occur in a range of blue shades , although they can come in many different colors. Other names for variations of the color sapphire are blue sapphire or sapphire blue , shown below.
Project Sapphire was a successful 1994 covert operation of the United States government in cooperation with the Kazakhstan government to reduce the threat of nuclear proliferation by removing nuclear material from Kazakhstan as part of the Cooperative Threat Reduction Program, which was authorized by the Soviet Nuclear Threat Reduction Act of 1991.
Blue Sapphire is a cruise ship owned and operated by ANEX Tour. She was originally built in 1981 by Bremer Vulkan of Germany for Hapag-Lloyd Cruises as Europa . In 1999, Europa was sold to Star Cruises and she was renamed SuperStar Europe and a year later, Superstar Aries .
Sapphirine. Sapphirine is a rare mineral, a silicate of magnesium and aluminium, with the chemical formula ( Mg, Al)8(Al, Si)6 O 20 (with iron as a major impurity). Named for its sapphire -like colour, sapphirine is primarily of interest to researchers and collectors: well-formed crystals are treasured and occasionally cut into gemstones.