Bidspirit auction | Natural History - Aquamarine Topaz

Natural History - Aquamarine Topaz Mineral Specimen Group [20]. - Comprising a selection of pebbles and cut sections, one with a polished face showing internal iridescence and refraction. 690 grams total, 17-63 mm (5/8 - 2 1/2 in.). Ex Mineral Imports, London, UK.Gregory, Bottley & Lloyd (Gregory's). [20, No Reserve]