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Ch. 3: Precious Gem stones in 1919

Ch. 3: Precious Gem stones in 1919 Page of 72 Ch. 3: Precious Gem stones in 1919 Text size:minus plus Restore normal size   Mail page  Print this page
GEMS AND PRECIOUS STONES.                             173
It is reported by the Premier Diamond Mining Co. (Ltd.) that the scarcity of native labor necessitated a curtailment of development work during the greater part of 1919. As the development of the mine was well advanced, however, at the end of the preceding finan­cial year, this curtailment will not react unfavorably upon operations in the future, as there is still 32,500,000 loads of blue ground avail­able above the present lowest working level.
Diamonds produced at the Premier mine for two years ending October 31, 1919.
According to information received in this country5 a flawless blue-white diamond, weighing 1,400 carats and valued at $500,000, was discovered on the property of this company near the point where the famous Cullinan diamond was found. It was later reported that this stone had been split into about a dozen fragments by the crush­ing machinery, whether by accident or not is not stated. The largest piece recovered is said to weigh 300 carats and is valued at approxi­mately $220,000.
Acccording to the Financial Times the report of the New Jagers-fontein Mining & Exploration Co. for the year ending March 31, 1919, is of more than ordinary interest, for although there was a falling off in the quantity of ground washed and in the number of carats of diamonds found, the total value of the stones produced was higher than that for 1918. No details are given of the value per carat of the various classes of stones. At a meeting at Kimberley the chair­man stated that the fine blue-white stone weighing 388-1/4 carats found on the dump in January, 1919, was taken in the books at the end of March at the average cost of production, but has since been sold at a very high price.
NEW DIAMOND-MINING DISTRICT NORTH OF KIMBERLEY.
A new diamond-mining district" is said to have been discovered at Tlaring, near Taungs, in Bechuanaland, about 100 miles north of Kimberley. So great is the rush of prospective diggers from the Cape to the Zambesi and Mozambique, and even into the Kongo, that the Government has decided to lay out a township to receive the new community.
OPERATIONS ON VAAL RIVER.
A company called Deep Water Diamonds has been formed to recover diamonds from the bed of Vaal River, South Africa,7 by means of an air-lock caisson or diving bell. According to a descrip-
E Jewelers' Circular, Doc. 24, 1919.
« Manufacturing Jeweler, vol. 66, No. 5, Jan. 29, 1920.
1 Min. and Sci. Press, Dec. 6, 1919.
Ch. 3: Precious Gem stones in 1919 Page of 72 Ch. 3: Precious Gem stones in 1919
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US Geol. Surv. 1919. Gemstones, Metals.
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