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![Mixed Cut and Polished Agate Half Geode Group [10]](https://timelineauctions.com/upload/images/items/small/250978-s(1).jpg)
Mixed Cut and Polished Agate Half Geode Group [10]
Sold for (Inc. bp): £20
Comprising ten cut geode halves showing crystalline centres. 1.66 kg total, 4.7-10.7 cm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
Massive Cut and Polished 'Septarian Egg' Half
Sold for (Inc. bp): £33
The attractive internal structure filled with yellow calcite, brown aragonite, and grey limestone. 3.96 kg, 21.5 cm
Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
Polished Madagascan Fossil Cleoniceras Ammonite
Jurassic Period, circa 199-145 million years B.P.Sold for (Inc. bp): £20
Polished specimen showing attractive pattern formation. 135 grams, 84 mm
From a Cambridgeshire, UK, collection. -
Mosasaur 'Marine Dinosaur' Fossil Jaw Fragment
Cretaceous Period, circa 145-65 million years B.P.Sold for (Inc. bp): £364
A composite jaw fragment set with five teeth. 229 grams, 17 cm
From Morocco, North Africa. From a Cambridgeshire, UK, collection.
The Mosasaur is an extinct, large marine reptile dinosaur with an elongated 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. -
![Set of Three [3] Cut and Polished Eye Agate Geode Slices](https://timelineauctions.com/upload/images/items/small/251119-s.jpg)
Set of Three [3] Cut and Polished 'Eye' Agate Geode Slices
Sold for (Inc. bp): £46
Comprising three transparent slices from the same geode showing an eye-like pattern. 155 grams total, 13.5-14 cm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
![Group of Three [3] Kalahari Desert Wind Stones in Gift Bags](https://timelineauctions.com/upload/images/items/small/251111-s.jpg)
Group of Three [3] Kalahari Desert Wind Stones in Gift Bags
Sold for (Inc. bp): £20
Comprising three wind-rounded pebbles in hollowed out 'nests'; each with a hessian draw-ribbon pouch. 428 grams total, 51-69 mm
From the Kalahari Desert. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
Brittlestar Fossil on Matrix
Middle Ordovician Period, circa 450 million years B.P.Sold for (Inc. bp): £59
Ophiuroidea sp. on an irregular matrix. 388 grams, 13.5 cm
From a Cambridgeshire, UK, collection. -
Otodus Fossil Shark's Tooth Necklace
Eocene Period, circa 53-33 million years B.P.Sold for (Inc. bp): £104
An Otodus obliquus tooth made into a pendant and suspended from a cord necklace. 6.07 grams, tooth: 34 mm
From a Cambridgeshire, UK, collection. -
Cut and Polished Fossilised Tree Section
Triassic Period, circa 235 million years B.P.Sold for (Inc. bp): £13
A wedge-shaped polished section showing some bark detailing. 526 grams, 10.2 cm
From Madagascar. From a Cambridgeshire, UK, collection. -
Fossil Megalodon Tooth
Early Pliocene Period, circa 5-2 million years B.P.Sold for (Inc. bp): £78
A Carcharocles megalodon shark tooth, with smoothed outer face, possibly used as a tool. 200 grams, 12.2 cm
Discovered in the Hawthorn Formation, Broad River, Beaufort County, South Carolina in 2022. -
Very Large Spinosaurus Dinosaur Fossil Tooth
Cretaceous Period, circa 125-113 million years B.P.Sold for (Inc. bp): £59
Slightly curving tooth with striations, restored. 109 grams, 10.8 cm
From Morocco, North Africa. From a Cambridgeshire, UK, collection.
The Spinosaurus was both a beachcomber type scavenger and an active hunter taking small stranded Plesiosaurs, Pterosaurs, turtles and large fish; adults weighed up to 21 tonnes and grew up to 18 meters long. -
Massive Congo Natural Malachite Boulder
Sold for (Inc. bp): £312
Cut section of a boulder showing botryoidal masses. 6.36 kg, 25.5 cm
From the Democratic Republic of Congo, Central Africa. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.
