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Carbonado, commonly known as black diamond, is one of the toughest forms of natural diamond. It is an impure, high-density, micro-porous form of polycrystalline diamond consisting of diamond, graphite, and amorphous carbon, with minor crystalline precipitates filling pores and occasional reduced metal inclusions. Titanium nitride has been found in carbonado. It is found primarily in alluvial deposits where it is most prominent in mid-elevation equatorial regions such as Central African Republic and in Brazil, where the vast majority of carbonado diamondites have been found. Its natural colour is black or dark grey, and it is more porous than other diamonds.
Lucara Diamond Corp. is a diamond exploration and mining company, founded in 2009 by two Canadian mining executives, Eira Thomas, Catherine McLeod-Seltzer and Swedish-Canadian mining billionaire Lukas Lundin, operating in Southern Africa but established in Canada. In November 2015, Lesedi La Rona, the world's second largest gem-quality diamond ever found, was found at the Karowe mine in Botswana.
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Solana is a blockchain platform which uses a proof-of-stake mechanism to provide smart contract functionality. Its native cryptocurrency is SOL.
Celsius Network LLC was a cryptocurrency company. Headquartered in Hoboken, New Jersey, Celsius maintained offices in four countries and operated globally. Users could deposit a range of cryptocurrency digital assets, including Bitcoin and Ethereum, into a Celsius wallet to earn a percentage yield, and could take out loans by pledging their cryptocurrencies as security. As of May 2022, the company had lent out $8 billion to clients and had almost $12 billion in assets under management.
Larisa Popova is an Italian gemologist, appraiser and jeweler.
Erik Tristan Voorhees is an American cryptocurrency entrepreneur and founder of the cryptocurrency exchange ShapeShift. He also co-founded Satoshi Dice and was the Director of Marketing at BitInstant. He has been referred to as a crypto-libertarian and has advocated for "the separation of money and state".
References
- 1 2 3 "The Enigma: Billion-year-old black diamond sold for £3.16m". BBC. Retrieved 2022-02-12.
- ↑ "Largest cut Fancy Black (diamond)". Guinness World Records. Retrieved 2022-01-31.
- 1 2 Jani-Friend, Isabelle. "A 555.55-carat black diamond believed to come from space is going on sale". CNN. Retrieved 2022-01-31.
- ↑ Stempel, Jonathan (31 July 2023). "US SEC says Hex crypto founder defrauded investors, spent money on 'Enigma' diamond". reuters. Retrieved 10 August 2023.
- ↑ "US SEC charges Youtuber Richard Heart with unregistered crypto offerings fraud". The Economic Times. 2023-07-31. ISSN 0013-0389 . Retrieved 2023-08-10.
- ↑ McKeever, Vicky (10 February 2022). "Billion-year-old black diamond bought with cryptocurrency for $4.3 million". CNBC. Retrieved 10 August 2023.
- ↑ "The Enigma: Billion-year-old black diamond sold for £3.16m". BBC News. 10 February 2022. Retrieved 10 August 2023.