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Ch. 8: Synthetic Gemstones

Ch. 8: Synthetic Gemstones Page of 296 Ch. 9: Gemstone Imitations Text size:minus plus Restore normal size   Mail page  Print this page
232                       PRECIOUS STONES.
cymophane identical in all respects with the cymo-phane found in America, in small but very perfectly formed crystals.
The processes we have just described are all dis­tinguished by special features, though depending, as already mentioned, on a small number of laws. It is probable that nature has employed them by turns. In any case they suffice to explain the for­mation of the greater number of crystallized mineral substances at present known.
Ch. 8: Synthetic Gemstones Page of 296 Ch. 9: Gemstone Imitations
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