Diamonds and precious stones, a popular account of gems .. (1874)
Dieulafait, Louis, b. 1830, Sanford, Fanchon, tr · New York, Scribner, Armstrong, and Company · leaf 236
trade, created anexcitement and even a panic in the diamond trade. The process by which Gannal obtained his dia-monds was very simple. He introduced carbon disulphide and water intoa matrass, with morsels of phosphorus, which in the ARTIFICIAL DIAMOND. 215 disulphide dissolved rapidly. He hoped… … Fig. 88,—Gannals arrangement for the Production of the Diamond. gether; and the former being much the most dense,occupied the bottom of the vase. Between the two layers a pellicle formed whichstrongly reflected the light when exposed to it.In time this layer was augmented; and, at theend of several…
Precious stones · Diamonds · Gems
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