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LOT 1812
Natural History - Citrine and Amethyst Gem Tree
6 1/4 in. (623 grams, 16 cm high).
A medium size gemstone tree comprising a brass trunk and branches tipped with polished citrine pebbles, mounted on a section of amethyst geode. [No Reserve]
ProvenanceMineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's).
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AUCTIONS:
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LOT 1812
Natural History - Citrine and Amethyst Gem Tree
Sold for (Inc. bp): £13
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Natural History - British Polished Ichthyosaur Vertebrae Display
Jurassic Period, circa 180 million years B.P.Sold for (Inc. bp): £169
A polished fossil Ichthyosaur sp. vertebrae section in a jet matrix, partially pyritised; Upper Lias. 236 grams, 16.5 cm
From Sandsend, Whitby, North Yorkshire, UK. Property of a Leicestershire, UK, private collector.
Ichthyosaurs (Greek for "fish lizard" - ichthus meaning "fish" and sauros meaning "lizard") were giant marine reptiles that resembled dolphins, in a textbook example of parallel evolution. They thrived during much of the Mesozoic era; based on fossil evidence, they first appeared approximately 245 million years ago and disappeared about 90 million years ago, about 25 million years before the dinosaurs became extinct. -
Natural History - Polished Fossil Ammonite Plate
Jurassic Period, 199-145 million years B.P.Sold for (Inc. bp): £117
A polished circular composite ammonite plate. 1 kg, 26.5 cm wide
From Madagascar. Ex Lincolnshire, UK, collection. -
Natural History - Lyme Regis Fossil Ammonite Group
Jurassic Period, 199-145 million years B.P.Sold for (Inc. bp): £65
A group of six matrices, each containing one or multiple Promicroceras planicosta fossil ammonites. 824 grams total, 61-96 mm
From Lyme Regis, Dorset, UK. Ex Lincolnshire, UK, collection.
