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Citrine — specimen 0710, photo © NMNHS
7.02 | 5.93 | 3.94 mm;
light greenish yellow; strong;
Probably irradiated rock crystal. Very clean specimen; design ‘Ovalimixtum ST’, excellent cut by Tan Pen.
More information from ‘Classification’
A yellow to yellow-orange or yellow-green variety of quartz. Natural citrine is very rare. Large quantities of amethyst, usually of lesser quality, are heated to turn it yellow or orange and sold as ‘citrine’.
Gemmology — gemstones
National Museum of Natural History, Sofia
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None of the specimens illustrated in this site is on display in the permanent exhibition of the National Museum of Natural History, Sofia.