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LOT 2204
Natural History - Polished Green Tourmaline Group
1/4 - 1/2 in. (100 grams total, 5-14 mm).
Comprising approximately 500 carats of tumble-polished green tourmaline crystals. [No Reserve]
ProvenanceUK gallery, early 2000s.
CONDITIONTimeLine 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:
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Natural History - Unpolished Cut Amethyst Crystal Geode Slice
Sold for (Inc. bp): £13
With two straight edges, cut to expose the inner structure of a geode with layers of amethyst and other crystals. 613 grams, 24.5 cm
Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
Natural History - Large Cut and Polished Septarian Egg Half
Sold for (Inc. bp): £46
The attractive internal structure filled with yellow and brown aragonite crystals. 3.66 kg, 21 cm
Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
Natural History - Fossil Deltadromeus Theropod Dinosaur Vertebra
Cretaceous Period, circa 90 million years B.P.Sold for (Inc. bp): £33
A vertebra with neural arch from the dinosaur Deltadromeus agilis. 247 grams, 87 mm
From the Kem-Kem Basin, Morocco, North Africa. From an old German paleontological collection.
Deltadromeus meaning 'delta runner' has extraordinarily delicate and long limbs making it one of the fastest dinosaurs to have existed. This meat-eating dinosaur is an early off-shoot of the theropod line on northern continents that gave rise to Tyrannosaurus and the raptor Deinonychus.
