Opal

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5y
14.33Ct Rainbow ContraLuz Ethiopian Welo Specimen Crystal Opal
International Opals 16.7 x 14.8 x 10.2mm 14.33 carats Auction #631109 Opal Auctions
Best of 2014: statement necklaces
Alessio Boschi's Plumes necklace takes the peacock tail as its inspiration and uses 15 black opals as the centrepieces of cascading and movable feathers.
JEWELRYWAREHOUSE.COM
The Galaxy Opal is (according to Guinness in 1992) the world's largest polished opal. It was found in Brazil in 1976.
Opal Auction Categories - List of Opal Types
SOLD-- GEM OPAL !! -- FOR YOUR VIEWING PLEASURE 9.20 CTS
The Smithsonian Gem and Mineral Collection | Research & News
This unique Yowah Nut opal is divided so one side has the appearance of a black opal, while the other side appears lighter. Both sides feature beautiful play-of-color. Photo © Eric Welch, courtesy The Smithsonian Institution
Opal Auction Categories - List of Opal Types
1.75 CRT SMOKED HONEYCOMB RAINBOW #
The Gem Collection
This Opal looks like a stained glass window #Opals #Gemstones …
Crystal color
Lightning Ridge Black Opal, 17x11.5mm, 3.9 carats
How do you choose a crystal? | Crystals minerals, Crystals and gemstones, Crystals
Boulder Opal a partir de tres diferentes áreas de minería de ópalo, Kurran, Bullgroo y Pinkilla, todos ellos situados en Queensland, Australia: