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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. A pinkish orange variety of sapphire is called padparadscha .
A disastrous experiment in 1993 sends a stealth aircraft through a time portal into 1943 Germany. A sailor is pulled into the portal at the same time, and finds himself in a version of 1993 where the Nazis won World War II. 1993 12:01 PM: Jack Sholder: Barry Thomas is an average office worker who witnesses the murder of a woman that he is ...
She meets her teacher, Ms. Blu Rain, and fellow students Rhonda, Jermaine, Rita, Jo Ann, and Consuelo. All of the girls come from troubled backgrounds. Ms. Rain's class is a pre-GED class for young women who are below an eighth-grade level in reading and writing and therefore are unprepared for high school-level courses. They start off by ...
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 ...
The Star of Adam is an oval-shaped blue star sapphire, currently the largest star sapphire in the world. It weighs 1,404.49 carats (280.898 g; 9.9084 oz). Prior to its discovery in 2015, the Black Star of Queensland, weighing 733 carats (146.6 g), was the largest star sapphire gem in the world.
GPL. Website. portal .p-grade .hu. The P-GRADE Grid Portal was software for web portals to manage the life-cycle of executing a parallel application in grid computing. [1] It was developed by the MTA SZTAKI Laboratory of Parallel and Distributed Systems (LPDS) at the Hungarian Academy of Sciences, Hungary, from around 2005 through 2010.
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 .
The highest-grade amethyst (called deep Russian) is exceptionally rare. When one is found, its value is dependent on the demand of collectors; however, the highest-grade sapphires or rubies are still orders of magnitude more expensive than amethyst. Handling and care. The most suitable setting for gem amethyst is a prong or a bezel setting.