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What are rhinestones?

February 11, 2017 | Author: | Posted in Jewelry

Rhinestones are artificial colorless gems of high luster and cut to imitate diamonds. Their chief use is in the manufacture of cheap jewelry and accordingly false jewelry itself is sometimes referred to as rhineĀ­stone. Rhinestones were so named because they were first made along the Rhine River of a composition known as strass, which was …

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Why are opals considered unlucky?

February 3, 2017 | Author: | Posted in General Knowledge

The origin of the superstition that the opal is an unlucky stone and will bring misfortune and ill luck to its owner is obscure. Among the ancients the opal was prized above most other precious stones. According to Pliny, a Roman senator named Nonius had a large and beautiful opal that he valued at the …

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