Gem-Stones and Their Distinctive CharactersSmith, George Frederick Herbert
Science
Gem-Stones and Their Distinctive Characters
Smith, George Frederick Herbert
Precious stones
This, which prior to the discovery of the ‘Cullinan,’ was by far the
largest South African stone, was found in the Jagersfontein mine on
June 30, 1893; bluish-white in tint, it weighed 969½ carats. From
it were cut twenty-one brilliants, the larger stones weighing 67⅞,
45-13/16, 45-11/16, 39-3/16, 34, 27⅞, 25⅝, 23-11/16, 16-11/32, 13½
carats respectively, and the total weight of the cut stones amounting
to 364-3/32 carats.
(30) JUBILEE
Another large stone was discovered in the Jagersfontein mine in
1895. It weighed 634 carats in the rough, and from it was obtained a
splendid, faultless brilliant weighing 239 carats. It was shown at the
Paris Exhibition of 1900.
(31) STAR OF AFRICA, OR CULLINAN
[Illustration: FIG. 67.—Cullinan No. 1.]
All diamonds pale into insignificance when compared with the colossal
stone that came to light at the Premier mine near Pretoria in the
Transvaal on January 25, 1905. It was first called the ‘Cullinan’ after
Sir T. M. Cullinan, chairman of the Premier Diamond Mine (Transvaal)
Company, but has recently, by desire of King George V, received the
name ‘Star of Africa.’ The rough stone weighed 621·2 grams or 3025¾
carats (about 1⅓ lb.); it displayed three natural faces (Plate XXV)
and one large cleavage face, and its shape suggested that it was
a portion of an enormous stone more than double its size; it was
transparent, colourless, and had only one small flaw near the surface.
This magnificent diamond was purchased by the Transvaal Government for
£150,000, and presented to King Edward VII on his birthday, November 9,
1907.
[Illustration: _PLATE XXV_
CULLINAN DIAMOND
(_Natural size_)]
[Illustration: FIG. 68.—Cullinan No. 2.]
The Cullinan was entrusted to the famous firm, Messrs. I. J. Asscher
& Co., of Amsterdam, for cutting on January 23, 1908, just three
years after its discovery. On February 10 it was cleaved into two
parts, weighing respectively 1977½ and 1040½ carats, from which the
two largest stones have been cut, one being a pendeloque or drop
brilliant in shape (Fig. 67) and weighing 516½ carats, and the other
a square brilliant (Fig. 68) weighing 309-3/16 carats. The first
has been placed in the sceptre, and the second in the crown of the
regalia. Besides these there are a pendeloque weighing 92 carats, a
square-shaped brilliant 62, a heart-shaped stone 18⅜, two marquises
8-9/16 and 11¼, an oblong stone 6⅝, a pendeloque 4-9/32, and 96 small
brilliants weighing together 7⅜; the total weight of the cut stones
amounts to 1036-5/32 carats. The largest stone has 74 and the second 66
facets. The work was completed and the stones handed to King Edward in
November 1908.
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