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Agate
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Agate — specimen 0119, photo © NMNHS
Agate
—
specimen 0119
Origin
North America
USA, Montana, Yellowstone River
Data
Weight:
4.42 ct;
size:
13.33 | 13.30 | 3.20 mm;
shape:
round;
colour:
dark reddish orange;
clarity:
translucent;
cut:
very good;
treatment:
none.
Notes
Clean specimen; very good cabochon style cut.
Other specimens
More specimens
More information from ‘Classification’
Agate
A variety of chalcedony with layered structure.
Gemmology — gemstones
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