Australia is renowned as the opal capital, which hosts an extensive array of extraordinary gemstones. Explore the vibrant and diverse opal varieties found in Australia, showcasing the treasures our daring hunters are determined to unearth. #OutbackOpalHunters #Opal | Discovery Channel Australia

Sue from @brokenrivermining presents: Opal Fossils with Unpreserved Internal Details Opal formation commences when silica dissolves in water. At our Russell’s opal mine we have found that this silica solution occupies a void most probably left by decaying tree roots or branches. When it solidifies it creates an opalized replica of the original object. These are also known as ‘jelly mould’ fossils. In some rare cases, like shown above, we have found large and rare opal fossil specimens with beaut