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![Green Calcite Mineral Specimen Group [50]](https://timelineauctions.com/zoom_images/zoomthumb/2/2/228035_900x900.jpg "Green Calcite Mineral Specimen Group [50]")
![Green Calcite Mineral Specimen Group [50]](https://timelineauctions.com/zoom_images/zoommap/2/2/228035_200x200.jpg "Green Calcite Mineral Specimen Group [50]")
![Green Calcite Mineral Specimen Group [50]](https://timelineauctions.com/upload/images/items/228035.jpg "Green Calcite Mineral Specimen Group [50]")
LOT 2531
Green Calcite Mineral Specimen Group [50]
1 1/2 - 2 1/2 in. (2.72 kg total, 39-65 mm).
Comprising fifty light green specimens. [50, No Reserve]
ProvenanceEx Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.
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.
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![Cut and Polished Agate Crystal Geode Half Collection [3]](https://timelineauctions.com/upload/images/items/small/227982-s.jpg)
Cut and Polished Agate Crystal Geode Half Collection [3]
Sold for (Inc. bp): £26
Comprising three rounded geode halves with the internal cavity filled with a blanket of light purple and grey crystals, one with a single 'unicorn horn'-shaped quartz crystal, one with a pyramidal formation of brown calcite, and one with two large clear quartz crystals. 995 grams total, 81-94 mm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
Composite Mosasaur 'Marine Dinosaur' Tooth Matrix
Cretaceous Period, 145-65 million years B.P.Sold for (Inc. bp): £78
Comprising six Mosasaur prognathodon teeth set on a composite matrix. 1.55 kg, 20.5 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. -
Fossil Petraster Starfish
Ordovician Period, circa 485-444 million years B.P.Sold for (Inc. bp): £52
An irregular matrix with a single Petraster sp. specimen. 550 grams, 12.1 cm
From a Lincolnshire, UK, collection.
