Bidspirit auction | Natural History - Quartz Rock

Natural History - Quartz Rock Crystal Specimen Group [100]. - Comprising a quantity of clear and opaque specimens, some with multiple points. 1.15 kg total, 29-45 mm (1 1/8 - 1 3/4 in.). From Brazil.Ex Mineral Imports, London, UK.Gregory, Bottley & Lloyd (Gregory's). [100, No Reserve]