Diamonds and precious stones, a popular account of gems .. (1874)
Dieulafait, Louis, b. 1830, Sanford, Fanchon, tr · New York, Scribner, Armstrong, and Company · leaf 293
in thatmutual manner which accomplishes the smoothingof both stones. He is putting in practice thefamous discovery which Louis de Berquem is falselysaid to have made by chance, and, from the primi- 2/2 PRECIOUS STONES. tive form received from the splitter, he is shapingthe facets of the brilliant… … Fig. 117.—Diamond-cutters Table. represents the tools necessary to the work-table ofthe cutter. A diamond, in the hands of the cutter, has not yetbecome an object of beauty; it has no lustre ortransparency, and is even more unpromising inaspect than the rough diamond. The adamantinelustre, which is…
Precious stones · Diamonds · Gems
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