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James Gregory (mineralogist)

James Gregory (mineralogist)

James Gregory was a noted 19th century British mineralogist.

When he was sent in 1868 by diamond merchant Harry Emmanuel of London's Hatton Garden to Hopetown, South Africa to determine if claims of diamonds being found there were true, he investigated and reported back, that "The whole story of the Cape diamond discoveries is false, and is simply one of the many schemes for trying to promote the employment and expenditure of capital in searching for this pereachous (sic) substance in the colony".

He concluded by saying that any genuine diamonds had most likely been swallowed and excreted by wandering ostriches "from a far off land".

However, shortly thereafter, experts pronounced a stone that he had dismissed to be a "magnificent white diamond weighing 83 1/2 carats" (16.7 g). This stone was to be known as the Star of Africa, also known as the "Dudley diamond".

The affair proved extremely embarrassing for him. For a number of years thereafter any lie or mis-statement about a diamond was dismissed as a "Gregory".

References

*Blundell, Nigel. "The World's Greatest Mistakes". Octopus Books, 1980. ISBN 0-7064-1128-5
* [http://www.adiamondisforever.com/jewelry/famous_starsa.html Famous Diamonds:The Star of South Africa] , retrieved 2 January 2006
* [http://www.gbl-london.demon.co.uk/Web/1024/Introduction.htm Gregory, Bottley & Lloyd] , retrieved 2 January 2006
* [http://www.solplaatje.org.za/tourism/history/forever_diamond.htm Sol Plattje Municipality: Diamonds are Forever] , retrieved 2 January 2006


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