Citrine


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citrine

[′si‚trēn]
(mineralogy)
An important variety of crystalline quartz, yellow to brown in color and transparent. Also known as Bohemian topaz; false topaz; quartz topaz; topaz quartz; yellow quartz.

Citrine

 

a mineral; a yellow variety of quartz (seeQUARTZ). Citrine, whose color is due to point defects of the crystal structure, is a rare mineral, occurring in Alpine-type hydrothermal quartz veins and pegmatites and sometimes in lava amygdules. In appearance it resembles topaz; it is distinguished from topaz during faceting by its weaker play of colors owing to lesser light refraction. Attractively colored translucent varieties are gems of class III. In jewelry-making, citrine is produced by heating smoky quartz or amethyst; its synthesis has also been mastered.

The chief deposits of citrine are located in Brazil, Uruguay, Madagascar, Scotland, Spain, and the United States; in the USSR the mineral is found at Murzinka in the Urals.

References in periodicals archive ?
Zonda Nellis textured velvet and silk halter gown in coral with matching wrap, $2,975 and $1,140; Millicent Kennedy ruby nugget and vermeil bead neckpiece, $5,364, and carnelian beaded earrings with citrine, $975, Dream Weaver.
The Citrine Wagtail seen on Bardsey Picture: STEVE STANSFIELD
January - garnet or rose quarter February - amethyst or onyx March - aquamarine or bloodstone April - diamond or rock crystal May - emerald or chrysoprase June - alexadrite or moonstone or pearl July - ruby or carmelion August - peridot or sardonyx September - sapphire or lapis October - opal or tourmaline November - topaz or citrine December - zircon or turquoise
Estee Lauder Signature Silky Eyeshadow Duo in Citrine (Limited Edition) -I pounds 20
Friends of Carolyn's, including Sharon Condron and Erica Citrine, are having a commemorative meal in July and everyone is invited to join them.
Joey Citrine, 33, is in intensive care with serious lung damage after he was rescued from a house fire in Hanwell Street, Anfield.