Agate — specimen 0321, photo © NMNHS
Weight: 2.60 ct; size: 8.08 | 8.08 | 5.10 mm; shape: round; colour: dark very slightly bluish green; clarity: translucent; cut: fair; treatment: irradiation.
Clean specimen; cabochon style cut.
More information from ‘Classification’
A variety of chalcedony with layered structure.