Description
A pale yellow to red-orange quartz gemstone that contains trace iron impurities. Citrine is found in western Europe, Scotland, Brazil, Uruguay, Africa, Malagasy Republic, Madagascar, Sri Lanka, the Urals, and the United States. Many ancient citrines have been incorrectly identified as topaz. Currently, most gems sold as citrin are actually heat-treated amethysts.
Synonyms and Related Terms
Madeira topaz; ametrine; false topaz; Spanish topaz; Occidental topaz; topaz quartz; Citrin (Deut.); citrine (Fr.); cytryn (Pol.); citrino (Esp., Port.); citrien (Ned.)
Other Properties
Trigonal crystal system. Low birefringence. Low thermal expansion.
Fracture = conchoidal. Luster = vitreous to greasy. Streak = white.
Additional Information
Mineralogy Database: Quartz
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Last updated on: 7/6/2009 8:38:02 AM
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