A treatise on gems, in reference to their practical and scientific value : a useful guide for the jeweller, amateur, artist, lapidary, mineralogist, and chemist : accompanied by a description of the most interesting American gems, and ornamental and architectural materials (1838)
Feuchtwanger, Lewis, 1805-1876 · New York : Printed by A. Hanford · leaf 42
modern times to the greatest perfection. There is a great difference in gems, which are mostly procured from the Indians in the rough or polished state, easily to be detected by the imperfections. They look more upon the size of the stone than upon the cut, which is generally irregular and devoid… … the one is worn on the left arm, and the other on the right knee. By considering the Diamond belonging to the Crown of France, which weighs one hundred and thirty-six and a quarter carats, is four¬ teen lines long, thirteen and a quarter lines broad, and nine and a quarter lines thick, and which is…
Precious stones · Building stones · Pearls · Corals
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
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