Natural History - Very Large Septarian Cut and Polished 'Alien Egg' Geode Half
A cut and polished septarian egg half, the centre filled with calcite crystals surrounded by a thin layer of aragonite, the outer layer of grey limestone; a beautiful display piece. 3.8 kg, 20.5 cm (8 in.). Mineral Imports, London, UK.Gregory, Bottley & Lloyd (Gregory's). [No Reserve]
Price realized | 40 GBP |
Starting price | 5 GBP |
Estimate | 100 GBP |