Bidspirit auction | Natural History - Agatized Fossil

Natural History - Agatized Fossil Tree Trunk Cut Slice - Triassic Period, 251-199 million years B.P.. Polished on one side to show the dark brown banding with a central 'lava-like' dark red banding radiating from a small quartz filed cavity. 753 grams, 20 cm (7 7/8 in.). From Madagascar.Ex Mineral Imports, London, UK.Gregory, Bottley & Lloyd (Gregory's). [No Reserve]