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Crystals may be green at one end and pink at the other, or green on the outside and pink inside; this type is called watermelon tourmaline and is prized in jewelry. An excellent example of watermelon tourmaline jewelry is a brooch piece (1969, gold, watermelon tourmaline, diamonds) by Andrew Grima (British, b.
Rubellite is the red or pink variety of tourmaline and is a member of elbaite. Rubellite is also the rarest gem in its family. [2] It is occasionally mistaken for ruby. [3] These gems typically contain inclusions. [4] Notable countries where rubellite can be mined include Afghanistan, Brazil, Madagascar, Myanmar, Nigeria, Russia, and the United ...
A necklace containing 2,930 diamonds including the world's seventh largest diamond, the 428 carat "De Beers", the Patiala Necklace vanished from the Royal Treasury of Patiala around 1948. Some diamonds were later recovered. Nelson's Chelengk: Confirmed 1951
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
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The excavated hoard undergoing cleaning and investigation. Jewellery can be seen protruding from the mass of coins. The Grouville Hoard (Le Câtillon II) is a hoard of an estimated 70,000 late Iron Age and Roman coins reported in June 2012.
Elbaite, a sodium, lithium, aluminium boro-silicate, with the chemical composition Na(Li 1.5 Al 1.5)Al 6 Si 6 O 18 (BO 3) 3 (OH) 4, [4] is a mineral species belonging to the six-member ring cyclosilicate tourmaline group. Elbaite forms three series, with dravite, with fluor-liddicoatite, and with schorl.
A considerable number of precious metal and stone jewellery pieces were uncovered in the excavation, many comprising one of the most ornate necklaces of its type that has been found to date. The first piece of treasure was found by MOLA dig leader Levente-Bence Balázs. A senior finds specialist at MOLA, Lyn Blackmore, stated that the number ...