Bidspirit auction | Natural History - Large Amethyst

Natural History - Large Amethyst Crystal Chunk Group [12]. - Comprising twelve dark purple pieces of prismatic crystals. 1.36 kg total, 43-64 mm (1 5/8 - 2 1/2 in.). From Brazil.Ex Mineral Imports, London, UK.Gregory, Bottley & Lloyd (Gregory's). [12, No Reserve]