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.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

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.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
Steven Yiannakou, Sales Manager of Citrine Estates, stated: "Providing investors with a secure haven of luxury and an oasis of tranquillity, Citrine Estates is set to become an international destination for investment and luxury living.
We both believe in the energy of stones and chose citrine for its symbolism and positivity," stated Al-Sarraj with a wide enthusiastic smile.
Today, some SSRL users can get a preliminary analysis of their data almost as soon as it comes out with AI software developed by SSRL in conjunction with Citrine and the CAMERA project at DOE's Lawrence Berkeley National Laboratory.
There are also new white Mother of Pearl additions and Citrine jewels, both refined as they are enchanting.
In the shade of a stone shelter, a barefoot man in a cerulean turban met a shodden man in a citrine tarboosh.
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Flora collection Flora by Hamilton & Inches, 18ct white gold with labradorite, aquamarine and brilliant cut diamonds (also available in yellow gold with golden rutilated quartz, citrine and brilliant cut diamonds) All individually priced PS1,500 .Hamilton & Inches Flora collection Flora by Hamilton & Inches, 18ct white gold with labradorite, aquamarine and brilliant cut diamonds (also available in yellow gold with golden rutilated quartz, citrine and brilliant cut diamonds) All individually priced PS1,500 .Hamilton & Inches A CHANEL PREMIERE "Triple Tour" wristwatch, a stainless-steel case with black lacquered dial, quartz movement and Onyx cabochon on crown, triple-wrap bracelet in steel interlaced with black leather.
It will be offered in Mineral White or Citrine Black.
One poem about longing is painted with citrine and silver; ruby red, dayglo blush, and cornflower blue decorate a lowly concubine in another.
co m, ` 700 Diamond, emerald and coral pendant, Mirari, ` 65,000 Orange wayfarer, Scott Eyewear, price on request 22kt gold plated cufflinks with uncut Citrine, Zariin, ` 2,100 Orange box clutch, Kazo, ` 2,490 Pencil skirt, Kanelle by Kanika Jain, ` 2,300 Polo T shirt, Lacoste, ` 3,450 REPUBLIC Embroidered dress, Sagrika Mittal Goyal, ` 5,000 Ethnic set, Soma, ` 1,499
Saturated in bright citrine, Coach's Legacy Archival Hadley clutch will be your go-to handheld for all the essentials ($148).
The Spring Collection 2012, which includes a selection of necklaces, bracelets, panjas and anklets, is created using round and pear shaped semi-precious stones in a rainbow of colours, including peridot, amethyst, blue topaz, tourmoline and citrine. All of the pieces are further highlighted by the sparkle of selected round brilliant diamonds.