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Topaz is a silicate mineral made of aluminum and fluorine with the chemical formula Al 2 Si O 4 (F, OH) 2.It is used as a gemstone in jewelry and other adornments. Common topaz in its natural state is colorless, though trace element impurities can make it pale blue or golden brown to yellow-orange. [7]
Topaz is a 1969 American espionage thriller film directed by Alfred Hitchcock, and starring Frederick Stafford, Dany Robin, Karin Dor, John Vernon, Claude Jade, Michel Subor, Michel Piccoli, Philippe Noiret and John Forsythe.
Topaz Solar Farms is a 550 megawatt (MW AC) photovoltaic power station in San Luis Obispo County, California, United States. Construction on the project began in November 2011 and ended in November 2014.
In 2014, the Topaz solar farm on the Carrizo Plain area was the world’s largest solar-generating operation of its kind, with a footprint covering 4,700 acres and producing 550 megawatts of ...
Intensely blue topaz does not exist in nature and is the result of artificial irradiation. [27] According to the American Gem Trade Association, approximately 30 million carats (6,000 kg or 13,000 lb) of topaz are irradiated every year globally, 40 percent of which were done in the United States as of 1988. [28]
Because diamond was unknown prior to the Roman period, and because of the similarity between the words smiris, the Egyptian asmir "emery", a grade of corundum used to polish gemstones, the Hebrew word shamir may be corundum, which exhibits the same qualities, and is used in India for the same purposes as the diamond.
According to the legend, emeralds were used to protect from evil spirits and were good against poison. [14] Sapphire was the "fairest of all precious stones", and was used to block cholera, to remove ulcers in the intestines, and to prevent poisoning. It was also believed that it could recreate the heart and help in cardiac pressure.
The Ford HSC engine is an automobile gasoline engine from the Ford Motor Company, sold from 1984 until 1994. HSC stands for High Swirl Combustion.It was made in two displacements: 2.3 L and 2.5 L, and used in only two model lines: the Ford Tempo/Mercury Topaz and the Ford Taurus/Mercury Sable.