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Chrysoprase
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Chrysoprase — specimen 0107, photo © NMNHS
Chrysoprase
—
specimen 0107
Origin
no precise locality [Africa]
Data
Weight:
0.52 ct;
size:
6.14 | 4.04 | 2.77 mm;
shape:
oval;
colour:
medium dark green; strong;
clarity:
translucent;
cut:
fair;
treatment:
none.
Notes
Clean specimen; cabochon style cut. Source: David Weinberg,
Multicolour Gems Ltd
.
Other specimens
More information from ‘Classification’
Chrysoprase
A green variety of chalcedony. The colour is caused by tiny inclusions of Ni-bearing layers silicates.
Gemmology — gemstones
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