Gemmology
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Agate — specimen 0382, photo © NMNHS
Agate — specimen 0382, photo © NMNHS

Agatespecimen 0382

Origin

North America
USA, Montana, Yellowstone River
Agate — specimen 0382, locality map
Data

Weight: 2.04 ct; size: 10.32 | 8.19 | 2.91 mm; shape: oval; colour: dark reddish orange; clarity: translucent; cut: very good; treatment: none.
Notes

Clean specimen; very good cabochon style cut.

Other specimens
Agate — specimen 0619Agate — specimen 0620Agate — specimen 0119Agate — specimen 0124Agate — specimen 0371Agate — specimen 0372Agate — specimen 0392Agate — specimen 0393Agate — specimen 0324Agate — specimen 0325Agate — specimen 0611Agate — specimen 0258Agate — specimen 0419Agate — specimen 0111Agate — specimen 0112Agate — specimen 0250Agate — specimen 0321Agate — specimen 0322

More information from ‘Classification’


A variety of chalcedony with layered structure.