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Chrysoprase
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Chrysoprase — specimen 0182, photo © NMNHS
Chrysoprase
—
specimen 0182
Origin
no locality data
Data
Weight:
2.53 ct;
size:
10.17 | 8.23 | 4.51 mm;
shape:
oval;
colour:
medium very slightly bluish green; very slightly greyish;
clarity:
translucent;
cut:
fair;
treatment:
none.
Notes
Clean specimen; cabochon style cut.
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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