This story was repeated by the curators of the Smithsonian for decades, until the true history was discovered through contacting the family of the original owners. The Star of India is 563.35 carats and is the world’s largest gem-quality blue star sapphire. He claimed that it had been mined from the Mogok mines of Burma and had at one point been owned by the Maharaja of Jodhpur. This star sapphire is one of the world’s most famous gemstones thanks to its incredible size, good blue colour and remarkable asterism, which is perfectly centred in the stone. The seller, a mineral dealer named Martin Ehrmann acting on behalf of Jack Mason, invented a history for the stone to increase the sale value. In 1961, it was resold to the Smithsonian Institution in exchange for a parcel of small faceted diamonds. ![]() By 1958, it was for sale through consignment in London, and was eventually purchased by a Swiss-American named Jack Mason. in 1950 for display at the first United States International Trade Fair in Chicago. The stone was mined in Sri Lanka and was co-owned by the Kohinoor Trading Company and King’s Jewelers of Colombo, Sri Lanka. Adding to its aesthetic value are its rich blue colour and clear star, formed from three intersecting rutile striations. It is noted for its significant size and is considered to be one of the largest of its type. In recent years, deposits have also been found in Pakistan. Where is diopside found The stone is mined almost exclusively in a region of Eastern Siberia known as Inagli, an area better known for its impressive diamond deposits. ![]() The Star of Asia is a large, 330 carats (66 g) cabochon-cut star sapphire currently located at the Smithsonian National Museum of Natural History. High quality crystals with the best color costs around 200 per carat. ![]() The 330 carat Star of Asia, housed in the National Museum of Natural History, Washington D.C., is an excellent example of a blue star sapphire.
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