The Excelsior Diamond was found on June 30, 1893 at the Jagersfonteinmine by a worker while loading a truck. Until 1905, when the larger Cullinan diamond was found, the Excelsior was the largest known diamond in the world. It had a blue-white tint and weighed 971 carats (194.2 g). It was ultimately cut into ten stones weighing from 13 to 68 carats. (2.6 to 13.6 g). June 30 is the 181st day of the year (182nd in leap years) in the Gregorian Calendar, with 184 days remaining. ... 1893 (MDCCCXCIII) was a common year starting on Sunday (see link for calendar). ... Jagersfontein is a small town in the Free State Province of South Africa. ... Mine can refer to a number of things: Mines are tunnels used in mining for extraction of resources. ... 1905 (MCMV) was a common year starting on Sunday (see link for calendar). ... This article or section does not cite its references or sources. ... The carat is a unit of mass used for gems, and equals 200 milligrams or 3. ...
"The Excelsior." The Largest Known Diamond. Natural Size in its Rough State. Weight, 970 Carats. Source: Streeter's Precious Stones and Gems (1898)
References
This article incorporates text from the Encyclopædia Britannica Eleventh Edition, a publication now in the public domain.
Excelsior diamond discussion in "Great Diamonds of the Earth" by Edwin Streeter.
Diamonds are said to be of the first water when very transparent, and of the second or third water as transparency decreases.
Diamond is an antidote to poison and is capable of detecting poison by exhibiting a moisture or perspiration on its surface.
Jubilee diamond, flawless, clear white diamond weighing almost 651 carats in rough form, it was found in the Jaegersfontein mine in South Africa in 1895.
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