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  2. List of sapphires by size - Wikipedia

    en.wikipedia.org/wiki/List_of_sapphires_by_size

    Star Blue Anonymous owner [3] Black Star of Queensland: Australia 1938 733 carats (146.6 g) Star Black Anonymous owner [4] Star of India: Sri Lanka 563.4 carats (112.68 g) Star Blue-gray American Museum of Natural History, New York [5] Queen Marie of Romania: Sri Lanka 478.68 carats (95.736 g) Cushion Blue Anonymous owner [6] Logan Sapphire ...

  3. Sapphire - Wikipedia

    en.wikipedia.org/wiki/Sapphire

    The 182-carat Star of Bombay, mined in Sri Lanka and located in the National Museum of Natural History in Washington, D.C., is another example of a large blue star sapphire. The value of a star sapphire depends not only on the weight of the stone, but also the body color, visibility, and intensity of the asterism.

  4. Star of Asia - Wikipedia

    en.wikipedia.org/wiki/Star_of_Asia

    The 330 carat Star of Asia in the National Museum of Natural History, Washington D.C., is an excellent example of a blue star sapphire. The Star of Asia is a large, 330 carats (66 g) cabochon-cut star sapphire now in the Smithsonian National Museum of Natural History. It is noted for its significant size and is considered to be one of the ...

  5. Asterism (gemology) - Wikipedia

    en.wikipedia.org/wiki/Asterism_(gemology)

    The star-effect may be also caused by the inclusions of hematite. In black star sapphire hematite needles formed parallel to the faces of the second order prism produce asterism. Some star sapphires from Thailand contain both hematite and rutile needles forming a 12-ray star. [3] Star-stones were formerly regarded with much superstition. [1]

  6. Star sapphire - Wikipedia

    en.wikipedia.org/wiki/Star_sapphire

    Star sapphire or Star Sapphire may refer to: Star sapphire, a type of sapphire gemstone that exhibits a star-like reflection of light (an asterism) The Armstrong Siddeley Star Sapphire, a British car manufactured from 1958 to 1960; Star Sapphire (DC Comics character), the name of several fictional supervillains in DC Comics publications

  7. Jewellery - Wikipedia

    en.wikipedia.org/wiki/Jewellery

    As of 2022, the global jewelry market was valued at approximately $270 billion and is projected to grow to over $330 billion by 2026. In 2022, the leading countries in the jewelry and watch market revenue were China, India, and the United States. [87] The global jewellery market was valued at USD 278.5 billion in 2018.

  8. The Star of Adam - Wikipedia

    en.wikipedia.org/wiki/The_Star_of_Adam

    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.

  9. Star of India (gem) - Wikipedia

    en.wikipedia.org/wiki/Star_of_India_(gem)

    Star of India. 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.

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