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![Natural History - Amethyst Crystal Geode Section Group [100]](https://timelineauctions.com/zoom_images/zoomthumb/2/1/211356_900x900.jpg "Natural History - Amethyst Crystal Geode Section Group [100]")
![Natural History - Amethyst Crystal Geode Section Group [100]](https://timelineauctions.com/zoom_images/zoommap/2/1/211356_200x200.jpg "Natural History - Amethyst Crystal Geode Section Group [100]")
![Natural History - Amethyst Crystal Geode Section Group [100]](https://timelineauctions.com/upload/images/items/211356.jpg "Natural History - Amethyst Crystal Geode Section Group [100]")
LOT 2301
Natural History - Amethyst Crystal Geode Section Group [100]
5/8 - 1 3/8 in. (1.4 kg total, 20-37 mm).
Comprising cut geode sections with clusters of light to dark coloured amethyst crystals. [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 2301
Natural History - Amethyst Crystal Geode Section Group [100]
Sold for (Inc. bp): £7
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Natural History - Large Caddis Fly in Baltic Amber
Oligocene Period, circa 45 million years B.P.Sold for (Inc. bp): £46
Polished to highlight the Caddis fly inclusion. 1.85 grams, 26 mm
From Primorskoje mine, Yantarnyi, Kaliningrad. Property of an Essex gentleman. Accompanied by an illustrated identification card. -
![Natural History - Quartz Rock Crystal Specimen Group [100]](https://timelineauctions.com/upload/images/items/small/211452-s.jpg)
Natural History - Quartz Rock Crystal Specimen Group [100]
Sold for (Inc. bp): £14
Comprising a quantity of clear and opaque specimens, some with multiple points. 1.15 kg total, 29-45 mm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
Natural History - Fossil Mosasaur 'Marine Dinosaur' Vertebra, Ribs and Jaw
Cretaceous Period, circa 145-65 million years B.P.Sold for (Inc. bp): £780
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 to allow it to be displayed. 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.
