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Welo opal, 0.65ct, facetted stone in many great colours!

Name: Welo opal, 0.65ct, facetted stone in many great colours!
Uploaded: 2024-05-08T02:44:56.000Z
Duration: 28 s
Channel: Opal Auctions
Description: May 8, 2024 - Faceted Welo Opal 8 x 5.3 x 3.4mm 0.65 cts Auction #1453024 Opal Auctions

Precious opal shows a variable interplay of internal colors, and though it is a mineraloid, it has an internal structure. At microscopic scales, precious opal is composed of silica spheres some 150–300 nanometres (5.9×10−6–1.18×10−5 in) in diameter in a hexagonal or cubic close-packed lattice.

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opalauctions.com

Welo opal, 0.65ct, facetted stone in many great colours!

Precious opal shows a variable interplay of internal colors, and though it is a mineraloid, it has an internal structure. At microscopic scales, precious opal is composed of silica spheres some 150–300 nanometres (5.9×10−6–1.18×10−5 in) in diameter in a hexagonal or cubic close-packed lattice.

Opal Auctions

47.8k followers