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LOT 2548
Natural History - Aventurine Gem Tree on Amethyst Crystal Geode Section
6 7/8 in. (691 grams, 17.5 cm high).
Irregular geode matrix with purple amethyst crystals; the metal branches tipped with polished dark and light green aventurine pebbles. [No Reserve]
ProvenanceFrom Brazil.
Ex Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's).
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AUCTIONS:
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LOT 2548
Natural History - Aventurine Gem Tree on Amethyst Crystal Geode Section
Sold for (Inc. bp): £13
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Natural History - Insects in Baltic Amber
Oligocene Period, circa 50 million years B.P.Sold for (Inc. bp): £33
A polished piece of amber containing insect and other inclusions. 2.8 grams, 22 mm
From the Baltic region. Collected between 1930 and 1960. From the collection of the palaeontologist R Gledhill. -
Natural History - Large Fossil Shark Vertebra
Upper Palaeocene, Thanetian Stage, circa 56 million years B.P.Sold for (Inc. bp): £13
From Otodus obliquus Agassiz 1843 (mackerel shark). 234 grams, 79 mm
From the Ouled Abdoun Basin Formation (Phosphate beds), Oued Zem, Morocco, North Africa. From an old Oxfordshire fossil and mineral collection. -
Natural History - Fossil Agadir Ammonite
Cretaceous Period, circa 145-66 million years B.P.Sold for (Inc. bp): £52
A free-standing Mellitella sp. ammonite. 935 grams,11.5 cm
From in the phosphate mine region, Khouribga, Morocco, North Africa. From a Cambridgeshire, UK, collection.