Diamonds and precious stones, a popular account of gems .. (1874)
Dieulafait, Louis, b. 1830, Sanford, Fanchon, tr · New York, Scribner, Armstrong, and Company · leaf 169
Fig. 67.—Primitive form of Quartz. Fig. 68.—Most ordinary form ofQuartz Crystals. Crystals of quartz do not often occur of dimen-sions sufficiently great to attract the eyes of thecommon observer. Some magnificent specimens,however, are found in the ancient formations, which,as we have mentioned,…
Precious stones · Diamonds · Gems
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