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Opal

Opal

Image #:

GB10079

Origin:

Natural

​

Ethiopia

Treatment:

Dyeing (AGTA D)

Field of view \ Magnification:

3.38 mm mm

Photography technique(s):

Dark field illumination

A surface-reaching crack with traces of soot in a natural opal confirms that this stone has been treated using the smoking method to darken its body color.
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A surface-reaching crack with traces of soot in a natural opal confirms that this stone has been treated using the smoking method to darken its body color.

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