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Upper Dauphin School District. Coordinates: 40.58214°N 76.80198°W. Upper Dauphin Area School District. Location of Upper Dauphin School District in Dauphin County, Pennsylvania. Address. 5668 State Route 209. Lykens. , Dauphin County, Pennsylvania, 17048-8414. United States.
The Upper Dauphin Area High School is a small, rural, public high school.It is the sole high school operated by Upper Dauphin Area School District which is located in Dauphin County, Pennsylvania.
Ruspoli Sapphire: 136.9 carats (27.38 g) [11] Stuart Sapphire: Sri Lanka 104 carats (20.8 g) Blue Tower of London [12] Bismarck Sapphire: Myanmar: 98.56 carats (19.712 g) Table Blue National Museum of Natural History, Washington [13] James J. Hill Sapphire: 22.66 carats (4.532 g) Cornflower National Museum of Natural History, Washington [14]
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, it occurs in other colors, including gray and black, and also can be colorless. A pinkish orange variety of sapphire is called padparadscha.
The Star of Adam is an oval-shaped blue star sapphire, currently the largest star sapphire in the world. [1] [2] [3] It weighs 1,404.49 carats (280.898 g; 9.9084 oz). [4]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.
St Edward's Sapphire. St Edward's Sapphire is an octagonal rose-cut sapphire that forms part of the British Crown Jewels. Its history is older than any other gemstone in the royal collection. [2] The stone is thought to have been in the coronation ring of Edward the Confessor, known later as St Edward, who ascended the throne of England in 1042 ...
An uncut/rough yellow sapphire found at the Spokane Sapphire Mine near Helena, Montana "Yogo sapphire" is the preferred term for gems found in the Yogo Gulch, whereas "Montana sapphire" generally refers to gems found in other Montana locations. [18] More gem-quality sapphires are produced in Montana than anywhere else in North America. [18]
Umba sapphire. The Umba sapphire is a unique type of sapphire discovered in 1962 in the Gerevi Hills, north of the Umba River in the Umba Valley of Mkinga District of Tanga Region in Tanzania. Umba sapphires exhibit coloration not common to sapphires found in other parts of the world, and are recovered from the alluvial deposits of the Umba River.