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Chrysoprase — specimen 0465, photo © NMNHS
Chrysoprase — specimen 0465, photo © NMNHS

Chrysoprasespecimen 0465


no precise locality [Africa]

Weight: 0.61 ct; size: 6.67 | 5.72 | 3.70 mm; shape: oval; colour: medium dark very slightly bluish green; strong; clarity: translucent; cut: excellent; treatment: none.

Clean specimen; design ‘Ovalimixtum ST’, excellent cut by Tan Pen.

Other specimens
Chrysoprase — specimen 0107Chrysoprase — specimen 0292Chrysoprase — specimen 0697Chrysoprase — specimen 0473Chrysoprase — specimen 0181Chrysoprase — specimen 0182

More information from ‘Classification’

A green variety of chalcedony. The colour is caused by tiny inclusions of Ni-bearing layers silicates.