A popular treatise on gems, in reference to their scientific value; a guide for the teacher of natural sciences, the jeweller, and amateur: together with a description of the elements of mineralogy, and all ornamental and architectural materials .. (1859)
Feuchtwanger, Lewis. [from old catalog] · New York, D. Appleton & company · leaf 468
9 carats. No. 15.—The Koh-i-noor, as it came from India ; and 15 a, itspresent form, from a side view. • No. 16.—An India pear-shaped BriUiant, weighing 31^ carats. No. 17.—A Half-Brilliant, faceted, weighing 14] carats. No. 18.—Large Rose Diamond, of 280 carats. No. 19.—^An irregular Eose Diamond,… … rs cu
Precious stones · Building stones · Mineralogy
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