12lb High Quality X-large Citrine Large Crystal Cluster for Sale

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12lb High Quality X-large Citrine Large Crystal Cluster For Sale

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12lb High Quality X-large Citrine Large Crystal Cluster:
$284.99

Dimension are 12" x 8" x 3".
Crystals are large and color is deep yellow/orange
Citrine is less common in nature than amethyst, and it has the same basic geologic occurrence. Citrine has been found in siliceous volcanics, occurring as macroscopic crystals and drusy coverings inside of agate lined amygdaloidal cavities or vugs, often forming geodes. Citrine also occurs in quartz veins.
The color of citrine is due to trace amounts (approximately 40 parts per million) of iron (Fe3+) impurities in the crystal structure of quartz. The difference between citrine and amethyst is only the oxidation state of the iron impurities present in the quartz. Subjecting amethyst to heat will reduce the oxidation state of the iron impurities in the quartz structure thereby causing amethyst's purple color to fade and become yellow to reddish-orange (citrine), green, or colorless depending on the site and original oxidation state of the iron impurities present and depending on the amount and duration of the heat applied.