Offer Lot 10 Pietre Opale Etiope in Goccia

before €179.00

only €143.20

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Single piece

Lot composed of 10 natural stones of opal Ethiope, cut with faceted drop.

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Delivery in Europe from 15€

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product sold with certificate of guarantee and gift box

100% natural stone

Technical Details

Reference 56909-G589-OPAL1322

Gemma: Opa
Varieties: Ethiopia
Colour: Multicolor
Weight: 6.577 ct.
Gemstone diameter: From ø 8x5 mm to ø 9x6 mm
Cutting: Faceted drop
Quantity: 10 stones

Description

THERE'Opale Etiope, like all the opals, is amorphus, i.e. without an ordered crystalline structure. The training of the opal takes place through a slow deposition of a colloidal silica gel that, depending on the environment of deposition and formation, can enrich with traces of other mineral substances.

The type color game of the opal Ethiopian is an optical effect caused by the diffraction of light when it interacts with its internal structure. It is an optical phenomenon that happens when the luminous waves are deviated from objects that have dimensions comparable to their wavelength.

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