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  2. Samarian spinel - Wikipedia

    en.wikipedia.org/wiki/Samarian_Spinel

    It and a smaller 270-carat (54 g) spinel were captured and taken to Iran by Nader Shah following his 18th-century invasion of India.. The Samarian spinel has a hole in it. According to a diary entry of the court physician to Naser al-Din Shah Qajar, the shah told the physician that the stone once adorned the neck of the biblical golden calf, which the Israelites are said to have made while ...

  3. Spinel - Wikipedia

    en.wikipedia.org/wiki/Spinel

    Some spinels are among the most famous gemstones; among them are the Black Prince's Ruby and the "Timur ruby" in the British Crown Jewels, [11] and the "Côte de Bretagne", formerly from the French Crown jewels. [12] The Samarian Spinel is the largest known spinel in the world, weighing 500 carats (100 g). [13]

  4. List of individual gemstones - Wikipedia

    en.wikipedia.org/wiki/List_of_individual_gemstones

    Samarian Spinel, the world's largest spinel; Menshikov Ruby, the world's second largest spinel set on top of the Great Imperial Crown of Russia; Timur Ruby, believed to be a ruby until 1851, hence its name; Black Prince's Ruby, the famous spinel mounted on the Imperial State Crown of the United Kingdom

  5. Images of gemstones under a microscope are stunning - AOL

    www.aol.com/news/2015-01-22-images-of-gemstones...

    Images of gemstones under a microscope are stunning. Mary Kinney. Updated July 14, 2016 at 10:32 PM. ... The final image is a compilation of 20 to 60 individual pictures.

  6. Spinel of the Great Imperial Crown - Wikipedia

    en.wikipedia.org/wiki/Spinel_of_the_Great...

    The Spinel of the Great Imperial Crown (Russian: Шпинель Большой императорской короны) or Menshikov Ruby [1] (Russian: Рубин Меншикова) is a historical gemstone, a red spinel which tops the Great Imperial Crown of Russia from the 18th century to the present day.

  7. List of gemstones by species - Wikipedia

    en.wikipedia.org/wiki/List_of_gemstones_by_species

    Gemstones of the World revised 5th edition, 2013 by Walter Schumann ISBN 978-1454909538 Smithsonian Handbook: Gemstones by Cally Hall, 2nd ed. 2002 ISBN 978-0789489852 hide

  8. Category:Spinel gemstones - Wikipedia

    en.wikipedia.org/wiki/Category:Spinel_gemstones

    Pages in category "Spinel gemstones" The following 6 pages are in this category, out of 6 total. This list may not reflect recent changes. ...

  9. 'Magnificent creatures': New photos show largest anaconda ...

    www.aol.com/magnificent-creatures-photos-show...

    Here are some images of the northern green anaconda, indigenous to the Orinoco Basin of the Amazon and "magnificent" in size.