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Glass of various compositions is adaptable for manufacture of artificial stones used in jewelry industry; grinding and partial silvering give glass stones much of brilliance and fire of diamonds, rubies, sapphires, aquamarines, emeralds and opals; semi-precious stones also, such as amethyst, are imitated with colored glass; since even slight impurities and changes in batch can have decisive influence on quality and color of artificial stones, this is dealt with in detail.
Glass of various compositions is adaptable for manufacture of artificial stones used in jewelry industry; grinding and partial silvering give glass stones much of brilliance and fire of diamonds, rubies, sapphires, aquamarines, emeralds and opals; semi-precious stones also, such as amethyst, are imitated with colored glass; since even slight impurities and changes in batch can have decisive influence on quality and color of artificial stones, this is dealt with in detail.
Glass as substitute for precious stones
Glas als Ersatz fuer Edelsteine
Kempf, R. (author)
Sprechsaal ; 96
1963
4 pages
Article (Journal)
German
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