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Citrine — specimen 0413, photo © NMNHS
Citrine — specimen 0413, photo © NMNHS

Citrine — specimen 0413

Origin

South America
Brazil
Citrine — specimen 0413, locality map
Data

Weight: 0.82 ct; size: 6.95 | 7.01 | 4.17 mm; shape: cushion triangle; colour: medium reddish orange; strong; clarity: eye clean; cut: excellent; treatment: heating.
Notes

Probably heated amethyst. Very clean specimen; design ‘99Simp’ by Jim Finlayson, excellent cut by Tan Pen.

Other specimens
Citrine — specimen 0065Citrine — specimen 0569Citrine — specimen 0004Citrine — specimen 0367Citrine — specimen 0609Citrine — specimen 0184Citrine — specimen 0244Citrine — specimen 0568Citrine — specimen 0375Citrine — specimen 0470Citrine — specimen 0712Citrine — specimen 0241Citrine — specimen 0116Citrine — specimen 0710Citrine — specimen 0114Citrine — specimen 0074Citrine — specimen 0207

More information from ‘Classification’

Citrine

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
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