Amethyst & Agate Geode Amethyst & Agate Geode Amethyst & Agate geode from Brazil. This piece is approx. 16 1/2" high X 9 3/8" across at the base X 6" deep. $550.00 $550.00 Post navigationPrevious post: Pale Amethyst, Quartz, & Agate Slice on metal standNext post: Malachite