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The Dom Pedro aquamarine is the world's largest cut aquamarine gem. It was cut from a crystal originally weighing approximately 60 pounds (27 kg) and measuring almost 2 feet (0.61 m) in length. The stone was mined in Pedra Azul, in the state of Minas Gerais in Brazil around 1980, and named after the Brazilian emperors Pedro I and Pedro II.
World's largest cut aquamarine. Named after the first two emperors of Brazil, Pedro I and Pedro II. [38] The Roosevelt Aquamarine [39] Given to Eleanor Roosevelt in 1936. 1,298 carats Franklin D. Roosevelt Presidential Library and Museum: Given to US First Lady Eleanor Roosevelt when she and President Roosevelt visited Brazil. It is known as ...
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
The Natural History Museum of Los Angeles County's latest jewelry show is one of the most spectacular precious stone exhibitions you're likely to see.
Aquamarine. Aquamarine (from Latin: aqua marina, "sea water" [17]) is a blue or cyan variety of beryl. It occurs at most localities which yield ordinary beryl. The gem-gravel placer deposits of Sri Lanka contain aquamarine. Green-yellow beryl, such as that occurring in Brazil, is sometimes called chrysolite aquamarine. [18]
The world’s largest iceberg is still on the move and there are fears that it could be headed north from Antarctica toward the island of South Georgia.. The iceberg, called A23a, was previously ...
On 24 June 2020, a new record for the world's largest rough tanzanite was set after a small-scale miner, Saniniu Laizer, mined two stones of 9.72 kg (21.4 lb) and 5.1 kg (11 lb) and sold them to the Government of Tanzania through Ministry of Mining for TSh 7.74 billion (US$3.35 million) [23] surpassing a record of 16,839 carats (3.37 kg; 7.42 ...
An aerial view of the world’s largest coral, under the stern of a research boat, discovered in the Solomon Islands last month. - Steve Spence/National Geographic Pristine Seas.