The three-meter tall amethyst geode - a hollow rock filled with amethyst crystals - is the main attraction at the Crystal Caves at Atherton, southwest of Cairns. The giant geode originally from Uruguay was shipped to Australia through Brazil in 2007. Amethyst

The three-meter tall amethyst geode - a hollow rock filled with amethyst crystals - is the main attraction at the Crystal Caves at Atherton, southwest of Cairns. The giant geode originally from Uruguay was shipped to Australia through Brazil in 2007.