Bidspirit auction | Natural History - Mixed Cut

Natural History - Mixed Cut and Polished Agate Crystal Geode Half Group. - Each displaying banding in various colours and crystal filled cavities. 786 grams total, 73-80 mm (3 - 3 1/4 in.). From Brazil.Ex Mineral Imports, London, UK.Gregory, Bottley & Lloyd (Gregory's). [4, No Reserve]