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LOT 1889
Natural History - Fossil Ammonoid Display
DEVONIAN PERIOD, 417-354 MILLION YEARS B.P.
7 1/4 in. (1.38 kg, 18.5 cm).
A cluster of six fossil ammonoids displayed on a sub-triangular free-standing matrix. [No Reserve]
ProvenanceFrom Morocco, North Africa.
Ex Cambridgeshire, UK, collection.
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AUCTIONS:
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Natural History - Bivalve Shell Preserved in Opal
Cretaceous Period, 110 million years B.P.Sold for (Inc. bp): £39
A stunning fossil bivalve shell, preserved in black opal, showing iridescent colours, including blue, greens and reds. 15.2 grams total, 41 x 34 mm including case
Fine condition.
From Lightning Ridge, Australia. Private Shropshire, UK collection.
Opal is a spectacular gemstone, and a dazzling key to Australia’s mysterious past, because buried in the Australian opal fields are fossils of dinosaurs and other strange creatures that lived 110 million years ago, in Early Cretaceous times. These fossils are literally gems: teeth, bones, shells and pinecones which have turned to solid opal. Australia is the only country where opalised animal fossils are found. Opalised fossils are rare and precious; even more so because in Australia, it is rare to find fossils of any kind from the time of the dinosaurs. -
Natural History - Fossil Fly Group
Eocene Period, circa 50 million years B.P.Sold for (Inc. bp): £33
A group of three fossil flies in matrix. 198 grams total, 51-79 mm
From the Green River Formation, South Western Wyoming, U.S.A. Collected between 1930 and 1960. From the collection of the palaeontologist R Gledhill. -
Natural History - Cut and Polished Fluorite Oblique Pyramid
Sold for (Inc. bp): £13
A cut and polished fluorite oblique pyramid; held in a white card collector's tray. 130 grams, 48 mm
From China. Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's).
