Shirley Bassey sangDiamonds Are Foreverand she might very well be proper when it comes to the Enigma diamond . The Enigma is a carbonado type opprobrious diamond and is the largest cut diamond in the world according to Guinness World Records , weighing a very impressive 555.55caratsor 111 gramme with 55 cheek .
While most diamond such as the mankind ’s big rough diamond – theCullinan – are found deep within the Earth ’s surface in igneous kimberlite rock-and-roll , theEnigmahas many competing theories about its beginning , with some indicate that it was carry onto the Earth ’s Earth’s surface by ameteorite . This is because carbonado diamonds contain the mineral osbornite , which is only notice in meteors , suggesting the diamond originates in taboo space .
These smutty diamonds are cogitate to be around 2.6 to 3.8 billion years old , and have only ever been found in Brazil and the Central African Republic . This is think to be because at this sentence in the Earth ’s history , the west coast of African and advanced daytime Brazil may have been fused into a supercontinent in a similar manner toPangeaorGondwanaland .
These Stone are a “ polycrystalline or mass diamond textile ” according to theInternational Gem Societyand carry amorphous carbon , diamond , and plumbago . They are find in alluvial sedimentary rock deposit only . This make them considerably more durable than unconstipated crystalline diamond , and because of this the diamond is read to have taken three old age to cut and polish into its 55 facets .
investigator suggest that carbonados are organise within supernova explosions and their strange dimension are formed before they extend to Earth , while others paint a picture that the impact of the material landing into Earth ’s surface get these extraordinary stone to mould .
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The Enigma rhomb wasbought at a Sotheby ’s auctionfor $ 4.3 million ( £ 3.16 million ) in February 2022 .
While Sotheby ’s did not disclose the buyer , the enterpriser Richard Heart announce on societal media that he had purchase the adamant using cryptocurrency and rename it the Hex.com diamond after his cryptocurrency business .
