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www .nwlehighsd .org. Northwestern Lehigh School District is a public school district in northwest Lehigh County, Pennsylvania in the Lehigh Valley region of eastern Pennsylvania. It serves Heidelberg, Lowhill, Lynn, and Weisenberg Townships. As of the 2020-21 school year, the district had an enrollment of 1,974 students between its four ...
Northern Lehigh School District is a school district primarily serving Lehigh County with a smaller portion serving Northampton County, both within the Lehigh Valley region of eastern Pennsylvania. It serves the boroughs of Slatington and Walnutport, and Washington Township. Students in grades nine through 12 attend Northern Lehigh High School ...
Northern Lehigh High School. / 40.7612; -75.6128. Northern Lehigh High School is a public high school located in Slatington, Pennsylvania. The school is the high school in Northern Lehigh School District, and serves students in ninth through 12th grades from Slatington, Walnutport, and Washington Township in the Lehigh Valley region of eastern ...
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
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 .
Silicon on sapphire ( SOS) is a hetero-epitaxial process for metal–oxide–semiconductor (MOS) integrated circuit (IC) manufacturing that consists of a thin layer (typically thinner than 0.6 µm) of silicon grown on a sapphire ( Al. 2O. 3) wafer. SOS is part of the silicon-on-insulator (SOI) family of CMOS (complementary MOS) technologies.
The unnamed Kashmir sapphire is a 22.66 carat (4.532 g) gem. It is known for its former owner, railroad executive James J. Hill, who purchased it in 1886 for his wife as part of a diamond- and sapphire-adorned necklace. It was eventually split off and given to one of their children. It was later donated to the Minnesota Historical Society, who ...
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.