Ch. 2: Precious Gem stones in 1893

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686                                 MINERAL RESOURCES.
Brothers, which counts 600 mills, turning as many cylinders or " skaifs." Everyone of these is occupied by one polisher; and these, with the number of "setters" (verstellers) and apprentices, bring the total up to at least a thousand persons for this single factory. If we estimate that the 52 large establishments have an average of but 60 mills each, or a total of 3,120 mills, and that the 20 small ones average 20 mills each, making 400 mills, we have in all 3,520 wheels or skaifs. Then counting for each mill or wheel, including polishers, setters, appren­tices, scaive-scrapers, and machinists, at least two persons, we have 7,040 employes. To these must be added the diamond cleavers and cutters, about 460 persons, of whom one-quarter are women, giving a total of 7,500 persons for Amsterdam. Now, the large diamond-trad­ing club, composed of diamond merchants and brokers, numbers about 900, and the two smaller ones about 400, with perhaps 100 additional dealers who transact their diamond business in the cafes in the vicinity of the clubs. Adding to these the merchants aud brokers who do not frequent any of these places, and the employes of the one steam dia­mond-cutting shop at Rotterdam, we have about 10,000 persons in all engaged in the diamond industry in Holland.
Antwerp has been rapidly becoming one of the greatest diamond-cutting centers. Whereas in 1870 there were 4 mills and 200 diamond workers, in 1893 there were 78 mills aud 4,000 workers, and diamonds are annually cut to the value of 12,000,000 francs. London comes third in importance, where the diamond polishers, brokers, importers, and dealers in rough diamonds must number about 1,000 persons. St. Claude and adjoining cities in the Jura mountains, in France, have several diamond-cutting establishments that employ in various capaci­ties about 1,000 people. Paris comes next with several diamond works, as also a great number of diamond merchants and brokers; these will reach above 500 individuals. Geneva and Berlin each pos­sess a diamond-cutting shop, at each of which perhaps 100 people are employed; and, finally, Hanau, the jewelry center in Hesse, Germany, where much goldsmiths' work is done, and where a few years ago were established two large diamond mills and four or five small ones, all operated by steam power, which on an average employ 500 persons.
In ldar and Oberstein about 1,000 more are similarly engaged, giving a total of above 16,500 persons occupied in the diamond business in Europe; but this does not include the merchants, dealers, and work people who set diamonds in jewelry, or any of the white and colored population engaged in diamond mining at the Cape and in Brazil. If we estimate, therefore, the number of dealers in Europe at about 4,000, and about 200 in the United States and elsewhere, and the workers at the mines, which at present are not carried on with great activity, at between 7,000 and 8,000 persons, we reach a total approximating 28,000 people at the principal diamond centers of the world. When we read, therefore, that in past centuries 60,000 persons were working at
Ch. 2: Precious Gem stones in 1893 Page of 36 Ch. 2: Precious Gem stones in 1893
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US Geol. Surv. 1893. Gemstones, Metals.
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