Single piece
Gemstone natural opal Black Ethiopian (treatment for "smoking"), drop cabochon cut.
Delivery in Europe from 15€
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product sold with certificate of guarantee and gift box
100% natural stone
Technical Details
Description
TheOpal Ethiopian, like all opals, it is amorphous, ie without a crystalline ordered structure. The formation of theopal it takes place through a slow deposition of a colloidal silica gel which, depending on the deposition and training environment, can enrich itself with traces of other mineral substances.
The type of color game of theopal Ethiopian is an optical effect caused by the diffraction of light when it interacts with its internal structure. It is an optical phenomenon that occurs when the light waves are diverted by objects that have dimensions comparable to their wavelength.
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