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![Natural History - Mini Agate Crystal Geode Half Group [100]](https://timelineauctions.com/zoom_images/zoomthumb/2/0/207914_900x900.jpg "Natural History - Mini Agate Crystal Geode Half Group [100]")
![Natural History - Mini Agate Crystal Geode Half Group [100]](https://timelineauctions.com/zoom_images/zoommap/2/0/207914_200x200.jpg "Natural History - Mini Agate Crystal Geode Half Group [100]")
![Natural History - Mini Agate Crystal Geode Half Group [100]](https://timelineauctions.com/upload/images/items/207914.jpg "Natural History - Mini Agate Crystal Geode Half Group [100]")
LOT 1836
Natural History - Mini Agate Crystal Geode Half Group [100]
3/4 - 1 1/2 in. (631 grams total, 18-37 mm).
Comprising various colours, most displaying crystals to the exposed inner faces. [100, No Reserve]
ProvenanceFrom Brazil.
Ex Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's).
TimeLine Auctions follows a vetting process to ensure the authenticity and legality of all items, reinforcing our commitment to integrity and responsible trading. Each antiquity, antique, and coin lot undergoes thorough examination by a vetting committee of at least ten external specialists, professional trade association members, scientists, and archaeologists: Our Vetting Process
AUCTIONS:
TimeLine is a leading auction house specialising in antiquities, ancient art, collectables, natural history, coins, medals, and books. Our auctions offer museums, collectors, historians, and enthusiasts the opportunity to acquire unique and historically significant pieces.
LOT 1836
Natural History - Mini Agate Crystal Geode Half Group [100]
Sold for (Inc. bp): £20
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Natural History - Fossil Mosasaur Vertebra, Ribs and Jaw
Cretaceous Period, circa 145-65 million years B.P.Estimate: £400 - 600 (+bp*)
Opening Bid: £200
Comprising various bone and rib fragments, a large vertebra and jaw fragments with teeth from Mosasaur prognathodon sp.; on a sandstone matrix with applied plaster reinforcement. 12.8 kg, 46 cm
From a Cambridgeshire, UK, collection.
The Mosasaur is an extinct, large marine reptile dinosaur with a snake-like body, long snout and paddle-like limbs. Found worldwide, they competed with other well-known sea predators of the Late Cretaceous, such as plesiosaurs and ichthyosaurs, for food, existing primarily on a diet of ammonoids, cuttlefish and fish. -
![Natural History - Amethyst Crystal Geode Section Group [20]](https://timelineauctions.com/upload/images/items/small/207931-s.jpg)
Natural History - Amethyst Crystal Geode Section Group [20]
Sold for (Inc. bp): £13
Comprising cut geode sections encrusted with various sized amethyst crystals. 2.5 kg total, 5.7-10.3 cm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
Natural History - Polished Fossil Orthoceras Column
Devonian Period, circa 417-354 million years B.P.Sold for (Inc. bp): £33
Comprising five polished Orthoceras sp. specimens on a textured freestanding matrix. 1.66 kg, 23.2 cm high
From a Cambridgeshire, UK, collection.
