4.70cts N1 Top gem black opal, extremely bright electric fire

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N1- 4.70 CTS BLACK OPAL TBO-8176 TRUEBLUEOPALS

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N1 -1.35 CTS QUALITY BLACK OPAL INV-1069

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N1 RED ON BLACK OPAL

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N1 Solid Black Opal Perfect For a Ring AFM131

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950 carat uncut gem rough opal - I'm going in!

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GEMSTONES UPDATE 18102022- RUBY BURMA VIETNAM HYALITE OPAL SINHALITE SODALITE HACKMANITE CLINOHUMITE

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Searching for the ultimate black opal. I found it after 60 years

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Breaking open Grandma's sandstone rock from 45 years ago *FOSSIL INSIDE*

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Opal buying trip to Lightning Ridge

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The rarest opal pattern on the planet

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Radioactive Glowing Gem Can Be Worn as a Ring

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Using Black Fire Opal, Amethyst, and Black Ceramic to Make the Ember Ring

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Why Black Opal Is So Expensive | So Expensive

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What is black opal worth? The body tone myth exposed

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SUBLIME BLACK OPAL N1

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.60ct Hyalite Opal from Zacatecas, Mexico

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3.57ct Daylight Fluorescent Hyalite Opal

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