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Sapphire Provisional School opened in 1904. On 1 January 1909 it became Sapphire State School. It closed in 1939. [10]Sapphire was one of three towns within the locality of The Gemfields (the others being Anakie and Rubyvale) until 17 April 2020, when the Queensland Government decided to replace The Gemfields with three new localities (Sapphire Central, Anakie Siding and Rubyvale) based around ...
Star of India (gem) 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 only color corundum stone that the term sapphire is not used for is red, which is called a ruby. [1] Pink colored corundum may be either classified as ruby or sapphire depending on locale. Commonly, natural sapphires are cut and polished into gemstones and worn in jewelry .
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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.
A purple-pink star sapphire displaying asterism in a platinum ring. An asterism (from Ancient Greek ἀστήρ (astḗr) 'star' and -ism) is a star-shaped concentration of light reflected or refracted from a gemstone. It can appear when a suitable stone is cut en cabochon (i.e. shaped and polished, not faceted). A gemstone that exhibits this ...
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 ...
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, twenty-four years ...