Sold2022Australian Agate Creek Cut and Polished 'Thunder Egg' PairTwo halves of an agate 'thunder egg', each with one polished face and crystals to the exposed inner surface. 290 grams total, 78-80 mm (3 in.). Agate Creek, Australia. Mineral Imports, London, UK. GreSee Sold Price
Sold2022Australian Agate Creek Cut and Polished 'Thunder Egg' PairTwo halves of a nodule of Australian 'Thunder Egg', cut and polished to reveal yellow, red and buff colours to the centre. 355 grams total, 83 mm each (3 1/4 in.) Agate Creek, Australia. Mineral ImporSee Sold Price
Sold2017Cut and Polished Thunder Egg Pair.Agate Creek, Australia, 'thunder egg' with 'fantastic bird' in red. Extremely fine condition. Increasingly rare in this size. 711 grams total, 88mm (3 1/2"). From the historic ‘Victorian Museum’ aSee Sold Price
Sold2023Natural History - Cut and Polished Agate Crystal Geode Slice GroupA group of six cut and polished agate geode slices; colour-enhanced. 322 grams total, 8.8-10.7 cm (3 1/2 - 4 1/4 in.). Mineral Imports, London, UK.Gregory, Bottley & Lloyd (Gregory's). [6, No Reserve]See Sold Price
Sold2023Natural History - Cut and Polished Agate Crystal Geode Section GroupA group of eight agate geode sections. 3.5 kg total, 85-96 mm (3 3/8 - 3 3/4 in.). Mineral Imports, London, UK.Gregory, Bottley & Lloyd (Gregory's). [8, No Reserve]See Sold Price
Sold2023Natural History - Cut and Polished Agate Crystal Geode Slice GroupA group of six polished agate geode slices; colour-enhanced. 396 grams total, 8.7-11.8 cm (3 3/8 - 4 5/8 in.). Mineral Imports, London, UK.Gregory, Bottley & Lloyd (Gregory's). [6, No Reserve]See Sold Price
Sold2023Natural History - Purple Agate Crystal Geode Section GroupA group of six cut and polished purple agate geode sections, with exposed crystals; colour-enhanced. 1.39 kg total, 69-94 mm (2 3/4 - 3 3/4 in.). Mineral Imports, London, UK.Gregory, Bottley & Lloyd (See Sold Price
Sold2016Natural History - Polished Agate Nodule GroupA group of four cut and polished agate nodule ends with bands of colour and crystalline growth. From the historic ‘Victorian Museum’ or later collection of Gregory, Bottley & Lloyd (Gregory's); foSee Sold Price
Sold2022Cut and Polished Agate Half CollectionA group of 10 cut and polished natural agate halves. 2.3 kg total, 67-88 mm (2 5/8 - 3 1/2 in.). Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). [10, No Reserve]See Sold Price
Sold2019Natural History - Polished Large Egg GroupA group of five polished mineral 'eggs' in onyx, banded agate, serpentine(?"). 1.3 kg total, 69-80mm (2 3/4 - 3 1/4"). Ex Thompson collection, Devon, UK. [5, No Reserve]See Sold Price
Sold2019Natural History - Ammonite Display CollectionJurassic Period, 201-145 million years BP. A group of cut and polished ammonite halves revealing the inner chambers, two in old white card trays with A.B. Cotterill Collection, Wollaton, Nottingham, USee Sold Price
Sold2019Natural History Fossil Fish and Ammonite GroupCretaceous Period, 200-65 million years BP. Group comprising: a small ammonite, cut and polished in two halves, with two small fossil fish specimens, in matrix. 618 grams total, 3.2-14.7cm (1 1/4 - 5See Sold Price
Sold2016Natural History - Natural Geode Group.A group of twenty-seven natural geode halves with quartz crystals from Brazil, each cut with a polished face. 1037 gram total, 37-70mm (1 1/2 - 2 3/4"). From an old Lincoln Collection [27, No Reserve]See Sold Price
Sold2019Natural History - Polished Egg GroupA mixed group of polished mineral 'eggs' including onyx, amethyst(?), serpentine(?"). 484 grams total, 48-64mm (2 - 2 1/2"). Ex Thompson collection, Devon, UK. [4, No Reserve]See Sold Price
Sold2016Natural History - Polished Gemstone Egg Specimen GroupA group of six polished gemstone eggs including: marble, jasper, fossiliferous limestone, etc. From the historic ‘Victorian Museum’ or later collection of Gregory, Bottley & Lloyd (Gregory's); forSee Sold Price
Sold2018Large Natural History Group Cut Polished Geode SlabsLarge group of cut and polished rocks and geode slabs. Sizes range from 2" to 9".See Sold Price
Sold2024Natural History - Cut and Polished Malachite Specimen Group [20].Each with one polished face to display the internal contrasting banding. 308 grams total, 22-43 mm (7/8 - 1 5/8 in.). From the People's Democratic Republic of Congo.Ex Mineral Imports, London, UK.GregSee Sold Price
Sold2017Natural History - Cut and Polished Fossil AmmoniteCretaceous Period, Albian Stage, 113-100 million years BP. A group of eight small A-grade cut and polished Cleoniceras sp. ammonites from Madagascar, with the distinctive pattern of the cross-sectionSee Sold Price
Sold2023Natural History - Cut and Polished Fossil AmmoniteJurassic Period, 199-145 million years B.P. A pair of cut and polished fossil ammonite halves, each displaying the gas chambers; possibly Cleoniceras sp. 172 grams total, 95-97 mm (3 3/4 - 3 7/8 in.).See Sold Price
Sold2023Natural History - Large Pink Cut and Polished Agate Crystal SliceA large pink agate crystal slice, polished on both faces; colour-enhanced. 484 grams, 23.5 cm (9 1/4 in.). From Antigas, Uraguay.Mineral Imports, London, UK.Gregory, Bottley & Lloyd (Gregory's). [No RSee Sold Price
Sold2024Natural History - Grade A Cut and Polished Agate Slice Collection [3].Comprising three transparent slices showing attractive banding. 286 grams total, 9-14 cm (3 1/2 - 5 1/2 in.). Ex Mineral Imports, London, UK.Gregory, Bottley & Lloyd (Gregory's). [3, No Reserve]See Sold Price
Sold202250 Cut and Polished Agate SlicesA group of 50 cut and polished natural agate slices. 505 grams total, 36-61 mm (1 3/8 - 2 3/8 in.). Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). [50, No Reserve]See Sold Price
Sold2023Natural History - Large Size Cut and Polished Pink Agate Crystal Geode Slice. With enhanced pink-colour and also showing translucent to opaque quartz crystals. 539 grams, 23.2 cm (9 1/8 in.). Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). [No Reserve]See Sold Price
Sold2023Natural History - Large 'Winking Smiley Face' Cut and Polished Agate DisplayA cut and polished agate slice displaying crystals to the exposed inner surfaces; a naturally-occurring smiling face formed in the polished surface composed of two large circular eyes and a crescent-sSee Sold Price
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