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![Cut and Polished Agate Crystal Geode Half Collection [6]](https://timelineauctions.com/zoom_images/zoomthumb/2/2/227837_900x900.jpg "Cut and Polished Agate Crystal Geode Half Collection [6]")
![Cut and Polished Agate Crystal Geode Half Collection [6]](https://timelineauctions.com/zoom_images/zoommap/2/2/227837_200x200.jpg "Cut and Polished Agate Crystal Geode Half Collection [6]")
![Cut and Polished Agate Crystal Geode Half Collection [6]](https://timelineauctions.com/upload/images/items/227837.jpg "Cut and Polished Agate Crystal Geode Half Collection [6]")
LOT 2854
Cut and Polished Agate Crystal Geode Half Collection [6]
2 - 3 3/8 in. (1.13 kg total, 50-86 mm).
Comprising variously sized geode halves, one with quartz crystal clusters and another with amethyst crystals to the exposed internal cavity. [6, No Reserve]
ProvenanceFrom Brazil.
Ex Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.
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AUCTIONS:
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LOT 2854
Cut and Polished Agate Crystal Geode Half Collection [6]
Sold for (Inc. bp): £13
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Fossil Adult Woolly Mammoth Tusk Section
Devensian Period, 110,000-12,000 years B.P.Sold for (Inc. bp): £910
A large, curving section of Mammuthus primigenius tusk, showing the internal layering; stabilised. 5.46 kg, 79 cm
From the North Sea. Acquired from Milton Keynes Geological Society in 1999. From the private collection of Kenneth Machin (1936-2020), Buckinghamshire, UK; his collection of antiquities and natural history was formed since 1948; thence by descent. -
Large Megalodon Giant Shark Fossil Tooth
Pliocene Period, 5.2-2.5 million years B.P.Sold for (Inc. bp): £390
From Carcharocles megalodon polished, showing some good enamel. 369 grams, 11.9 cm
From Aurora, North Carolina, USA. From the private collection of Kenneth Machin (1936-2020), Buckinghamshire, UK; his collection of antiquities and natural history was formed since 1948; thence by descent.
Carcharodon megalodon is regarded as one of the largest and most powerful marine predators in vertebrate history and likely had a profound impact on structuring of the marine communities. Fossil remains indicate that this giant shark reached a length of more than 16 metres (52 ft) and also affirm that it had a cosmopolitan distribution. Scientists suggest that in life it looked like a stockier version of the great white shark, Carcharodon carcharias. -
![Cut and Polished Agate Geode Slice Collection [20]](https://timelineauctions.com/upload/images/items/small/227833-s.jpg)
Cut and Polished Agate Geode Slice Collection [20]
Sold for (Inc. bp): £59
A selection of mixed shapes and sizes, two dyed. 257 grams total, 37-95 mm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.
