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The Sergio was first sold for $ 16,000 and later for $ 25,000 (equivalent to $ 915,600 in 2023) to
Joalheria Kahn and Co. and shipped to G. Kahn in Paris, who sold it to I. K. Gulland of London in September 1895 for £6,400 (equivalent to £933,766 in 2023). It was then broken up into small
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313:"The Black Diamonds of Bahia (Carbonados) and the Building of Euro-America: A Half-century Supply Monopoly (1880s-1930s)"
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New textural evidence on the origin of carbonado diamond: An example of 3-D petrography using X-ray computed tomography
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ever dug up on earth. It weighed 3,167 carats (633.4 g; 20.36 ozt) and was found above ground in
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3–6-carat (0.60–1.20 g; 0.021–0.042 oz) pieces as industrial diamond drills.
68:) in 1895 by Sérgio Borges de Carvalho. Like other carbonados, it is believed to be of
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191:. Vol. 5 (11th ed.). Cambridge University Press. p. 307.
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204:"Giant Black Diamonds Of Mysterious Origin May Hail From Space"
300:" Geosphere, GES00908.1, first published on August 14, 2013
260:
Mark A. Prelas, Galina
Popovici, Louis K. Bigelow (eds.) "
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129:"Carbonado Diamond: A Review of Properties and Origin"
154:"Carbonado - A possible relic from Uranus or Neptune"
262:Handbook of Industrial Diamonds and Diamond Films
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249:Diamonds in Nature: A Guide to Rough Diamonds
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202:Broad, William J. (17 September 1996).
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247:Ralf Tappert, Michelle C. Tappert "
127:William, Stephen E. (Summer 2017).
365:. You can help Knowledge (XXG) by
175:Rudler, Frederick William (1911).
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133:Gemological Institute of America
276:The carbonado diamond conundrum
412:Diamonds originating in Brazil
353:This article about a specific
311:Herold, Marc W. (April 2013).
108:List of largest rough diamonds
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320:University of New Hampshire
16:Largest known rough diamond
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80:Excessive citations inline
188:Encyclopædia Britannica
85:considered for deletion
26:Popular Science Monthly
156:. meteoritestudies.com
52:and the largest rough
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231:"Diamonds in the Sky"
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422:Individual diamonds
46:Carbonado do Sérgio
283:2014-02-21 at the
48:) was the largest
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235:www.pbs.org
160:15 February
406:Categories
359:mineraloid
114:References
70:meteoritic
60:(State of
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264:", p. 484
83:is being
50:carbonado
30:engraving
281:Archived
251:", p. 41
97:See also
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76:template
355:mineral
326:4 April
215:4 April
185:(ed.).
138:4 April
72:origin.
58:Lençóis
54:diamond
23:A 1906
66:Brazil
38:Sergio
361:is a
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181:. In
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