AGATE The author of “Lithica” celebrates the merits of the agate in the following lines: (2) Adorned with this, thou woman’s heart shall gain, And by persuasion thy desire obtain;
Continue reading »Adamas. Diamond Mines We find in the ancients few indications as to the particular locality of India that supplied them with the Diamond; Pliny says merely, at random, the gem-producing
Continue reading »METEORIC DIAMONDS SENSATIONAL as is the story of the diamond industry in South Africa, quite another aspect fixes the attention of the chemist. The diamonds come out of the mines,
Continue reading »The Seasons and Birthstones Precious stones have from earliest times been associated with special powers. Not only were they guardians against demons, but each by its particular virtue warded off
Continue reading »CHAPTER XVI. SPINEL, GARNET, TOURMALINE, TURQUOISE, LAPIS-LAZULI, ZIRCON, CHRYSOLITE, CHRYSOBERYL, IOLITE, KYANITE, APOPHYLLITE. Spinel.—The name spinel is said to mean “spark,” and is so called, probably, from its pointed crystals
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