Opal Mining in Queensland

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Opal mining has a rich history in Queensland, dating back to the late 1800s. Here are some key events in the history of opal mining in Queensland: In 1872, a large opal deposit was discovered in White Cliffs, New South … Continued

Lost Eromanga Sea Formed Opal

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The Great Artesian Basin is where most Gem Opal is Found Australian opal is referred to as sedimentary opal because it forms in sedimentary rocks of the Mesozoic lost Eromanga Sea which became the Great Artesian Basin. Australian precious opals usually contain around 3-5% water … Continued

Fossicking Opalton Queensland

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Fossicking in Opalton A collection of articles, the first one is from ABC News The red, rugged country of the remote Queensland outback is a far cry from the white powdery slopes of the French Alps, but there’s nowhere else … Continued

Opalton Queensland

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Opalton Queensland Opalton Queensland is the largest opal field in Queensland by volume of opal produced. Opalton is still producing today. Home of Queensland’s spectacular boulder opal and  famous for the enormous quantity and quality of its opal. Nestled away … Continued

Lightning Ridge Mining

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Lightning Ridge Mining Getting started right with licenses and regulatory compliance. Lightning Ridge Mining is available to nearly everyone. You do not need to be Australian. You can mine opal on a tourist visa as a hobby for half of … Continued

Coober Pedy Mining

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Coober Pedy Mining History Coober Pedy is on the Stuart Highway in South Australia, about 850 kilometers north of Adelaide. Coober Pedy is known as the “Opal Capital of the World”. The town’s population is about 2,000 people and it … Continued

Finding opal in Australia

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You can go to the opal fields and find opal in the tailings that have been missed by miners. From Australian Geographic OPAL – STUNNINGLY BEAUTIFUL and quintessentially Australian – is our national gem. Unique among its peers, precious opal … Continued

Opal Fossils of Lightning Ridge

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Opal Fossils of Lightning Ridge Excerpt of an article from the Australian Opal Centre PRECIOUS RELICS FROM THE AGE OF DINOSAURS At the heart of the Australian Opal Centre is a magnificent collection of 100-million-year-old fossils, from the Early Cretaceous … Continued

New Deposit of Black Opal from Ethiopia

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published by www.gia.edu/ New Deposit of Black Opal from Ethiopia Lore Kiefert, Pierre Hardy, Tewodros Sintayehu, Begosew Abate, and Girma Woldetinsae   Opal was first discovered in Ethiopia in the early 1990s. Specimens from Mezezo in the historical Shewa province … Continued

Ethiopian Opal The New Opal Heavyweight

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Author: Hobart M. King, Ph.D., GIA Graduate Gemologist The New Opal Heavyweight Australia has been the dominant force in the opal market for over 100 years. During that time as much as 95% of the worldwide opal production has been mined in Australia. Today, Ethiopia is … Continued

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