Agate — specimen 0696, photo © NMNHS
no precise locality [Africa]
Weight: 1.04 ct; size: 7.78 | 6.78 | 4.24 mm; shape: hexagon; colour: dark very slightly bluish green; clarity: translucent; cut: excellent; treatment: none.
Clean specimen; design ‘Hexamixtum S 41-32’ [pavilion angle changed to 35.00], excellent cut by Tan Pen.
More information from ‘Classification’
A variety of chalcedony with layered structure.