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Rock crystal
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Rock crystal — specimen 0300, photo © NMNHS
Rock crystal
—
specimen 0300
Origin
no precise locality [Africa]
Data
Weight:
326.60 ct;
size:
70.11 | 41.73 | 20.90 mm;
shape:
pear;
colour:
colourless;
clarity:
eye clean;
cut:
very good;
treatment:
none.
Notes
Big, very clean specimen; very good mixed style cut.
Other specimens
More specimens
More information from ‘Classification’
Rock crystal
A transparent colourless variety of quartz.
Gemmology — gemstones
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