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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]
In October 2014, Sotheby's Hong Kong achieved consecutive per-carat price records for Kashmir sapphires – first with the 12.00 carat Cartier sapphire ring at US$193,975 per carat, then with a 17.16 carat sapphire at US$236,404, and again in June 2015 when the per-carat auction record was set at US$240,205. [39]
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.
The Young's modulus of corundum (sapphire) has been reported by many different sources with values varying between 300 and 500 GPa, but a commonly cited value used for calculations is 345 GPa. [32] The Young's modulus is temperature dependent, and has been reported in the [0001] direction as 435 GPa at 323 K and 386 GPa at 1,273 K. [ 32 ] The ...
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.
Tom Cruise is choosing to accept a major honor from the U.S. Navy.. The "Top Gun" star, 62, on Tuesday received the Navy's Distinguished Public Service Award, the highest honor that Navy Secretary ...
Wedding anniversaries extend the jubilee hierarchy with various sequences of substances filling in many of the gaps between the same major milestones. In 2017 the 65th anniversary of the accession of Elizabeth II was widely referred to as her "sapphire jubilee" or more specifically as her blue sapphire jubilee (see Sapphire Jubilee of Queen Elizabeth II) [1] but more traditionally the sapphire ...
COLLEGE STATION, Texas (AP) — Mark Sears scored 27 points, Aden Holloway added 15, and No. 5 Alabama beat No. 10 Texas A&M 94-88 on Saturday night in the first game between top 10 teams in ...
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