Extraodinaire plaque d'agate montée en table basse Immense Agate Geode Slab on Base Brazil To our knowledge, this is possibly the largest agate slab available on the market. With hand polished beveled edges, this fine decorative slab of agate features bull's eyes and a chalcedony center surrounded by colorful color banding in hues of ochre, brown, beige and tan. Weighing approximately 49 kilograms and measuring 40.5 x 142.5 x 80 cm inclusive of removable metal base (2) For further information on this lot please visit Bonhams.com