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Rock crystal — specimen 0172, photo © NMNHS
Rock crystal — specimen 0172, photo © NMNHS

Rock crystal — specimen 0172

Origin

no precise locality [Africa]
Data

Weight: 1.98 ct; size: 8.91 | 7.58 | 6.33 mm; shape: hexagon; colour: medium light greenish yellow; strong; clarity: eye clean; cut: excellent; treatment: irradiation.
Notes

Very clean specimen; design ‘APHEX’ by Jeff Ford, excellent cut by Tan Pen.

Other specimens
Rock crystal — specimen 0408Rock crystal — specimen 0379Rock crystal — specimen 0589Rock crystal — specimen 0291Rock crystal — specimen 0316Rock crystal — specimen 0189Rock crystal — specimen 0752Rock crystal — specimen 0758Rock crystal — specimen 0420Rock crystal — specimen 0300Rock crystal — specimen 0197Rock crystal — specimen 0301Rock crystal — specimen 0206Rock crystal — specimen 0303Rock crystal — specimen 0304Rock crystal — specimen 0680Rock crystal — specimen 0709Rock crystal — specimen 0191

More specimens

More information from ‘Classification’

Rock crystal

A transparent colourless variety of quartz.


Gemmology — gemstones
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The specimens illustrated in this site do not exist in the collections of the National Museum of Natural History, Sofia.