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Where can you mine citrine? How are THC crystals formed? How are water crystals formed? How is the gem citrine formed? What is the largest know citrine? How was the citrine mineral formed? How is a Citrine Birthstone formed?
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wiki.answers.com/Q/How_are_citrine_crystals_formed
wiki.answers.com/Q/How_are_citrine_crystals_formed
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Quartz generally (including, but not only citrine) is formed according to trigonal crystal symmetry. This system of crystal symmetry consists of one vertical axis of symmetry and three-horizonal axes of symmetry, all of the horizonal axes being of the same length.
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www.ivy-rose.co.uk/Crystals-Individual/Citrine.php
www.ivy-rose.co.uk/Crystals-Individual/Citrine.php
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In natural conditions, it is of yellow or orange in color & is of lighter shade in comparison to heat-treated stones which turn orange-brown or reddish-brown. Mostly the citrines sold to public are amethysts which have been heat treated...
http://b2cjewels.blogspot.com/2008/09/citrine-form-of-q...
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Lab created Citrine has a red tint to it that that the naturally formed doesn't ... The colors that Citrine can be are: Yellow, Gold, Orange, and Brown. ... The most striking feature of Citrine is the Juicy Lemon color...
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www.campuscomm.k12.de.us/gemstone/citrine/class5.html
www.campuscomm.k12.de.us/gemstone/citrine/class5.html
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Ametrine - Mixture of Amethyst and Citrine. It is partially purple and partially orange-yellow, with the color zones often sharply divided. Canadian Amethyst - Amethyst with an internal coating of red Hematite, found in Thunder Bay, Ontario. ... Much Citrine is artificially formed by heat-treating Amethyst.
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www.minerals.net/mineral/silicate/tecto/quartz/varietys...
www.minerals.net/mineral/silicate/tecto/quartz/varietys/amethyst.htm
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In contrast to Amethyst, the iron in Citrine has been changed by exposure to some sort of superheating changing its chemical structure from Fe2 to Fe3 (basically burning the iron). Citrine is formed in the same primary manner as Amethyst and is found in pegmatites or formed hydrothermally in druses or clefts.
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www.howlatm.com/citrine_generator.html
www.howlatm.com/citrine_generator.html
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In contrast to Amethyst, the iron in Citrine has been changed by exposure to some sort of superheating changing its chemical structure from Fe2 to Fe3 (basically burning the iron). Citrine is formed in the same primary manner as Amethyst and is found in pegmatites or formed hydrothermally in druses or clefts.
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www.howlatm.com/tumbcitrine.html
www.howlatm.com/tumbcitrine.html
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Citrine, the luminous, golden yellow gemstone looks endlessly beautiful. When moulded into jewelry, citrines stand out in all their sunny splendour. These warm golden gemstones look especially ravishing when set in yellow gold.
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citrine.wordpress.com/
citrine.wordpress.com/
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Citrine belongs to the quartz group which also includes amethyst, and smoky quartz. Most citrine is formed when amethyst is heated commercially. ...
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www.thecolorsource.com/gems/citrine.htm
www.thecolorsource.com/gems/citrine.htm
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