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Koroit Opal cabochon, Australia

10 Most Rare Gemstones in the World Rarer than a Diamond | Geology IN

Black Opal from Lightning Ridge, Australia

Koroit Opal - Australia via Bijoux et Mineraux

とてつもない魔力を秘めてそう…美しすぎるウッド・オパールの写真が話題に

Opalized Fossilized Wood #Gemstones #Jewelry #Gems #Opal

black opal. i love opal but its bad luck to wear it if its not your birthstone.

*:・゚✧*:・゚✧ a мιllιon waveѕ ιn тнe ocean craѕн aт once тo мaĸe yoυ ѕмιle *:・゚✧*:・゚✧

Oregon Jelly opal

These are so wonderful!

The 2000 carat “Halley’s Comet” Opal - Listed in the Guinness Book of World Records as the largest uncut Black Opal nodule. Found at Lightning Ridge, Australia in 1986