Gem quality opal from Australia. SEM Image of the opal. Compare near-gem quality opal and gem-quality fire opal x magnification) from (dry) Lake Tecopa, Inyo County, California, USA; SEM images courtesy of Ma Chi
The worlds biggest Amethyst Geode – The ‘Empress of Uruguay’ can be found at Atherton Tablelands, Cairns, Australia. The tens of thousands perfect, deep purple Amethyst crystals that nature has formed naturally inside truly amaze everyone who sees her.