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Sapphire
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Sapphire — specimen 0364, photo © NMNHS
Sapphire
—
specimen 0364
Origin
no locality data
Data
Weight:
0.12 ct;
size:
2.92 | 2.89 | 1.97 mm;
shape:
round;
colour:
colourless;
clarity:
eye clean;
cut:
good;
treatment:
heating.
Notes
Very clean specimen; good brilliant style cut.
Other specimens
More information from ‘Classification’
Sapphire
Most commonly refers to a blue gem variety of corundum, but other coloured varieties of corundum are also described as sapphire, except the natural red.
Gemmology — gemstones
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