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LOT 2059
Natural History - Boxed Pyrite 'Fool's Gold' Crystal Specimen
1 5/8 in. (95 grams total, 42 mm).
The specimen comprising small and large crystals with one larger cuboid crystal to the top; supplied in a labelled cardboard tray. [No Reserve]
ProvenanceFrom Peru.
Ex Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's).
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AUCTIONS:
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LOT 2059
Natural History - Boxed Pyrite 'Fool's Gold' Crystal Specimen
Sold for (Inc. bp): £17
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Natural History - Polished Citrine Quartz Crystal Tree on Amethyst Crystal Base
Sold for (Inc. bp): £26
The bendable metal branches tipped with polished citrine pebbles, the trunk resting on a geode section with lavender-coloured amethyst and clear quartz crystals. 511 grams, 16 cm high
Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
Natural History - Fossil Hadrosaur Dinosaur Egg
Late Cretaceous Period, circa 100-66 million years B.P.Sold for (Inc. bp): £1,105
Charonosaurus sp. hadrosaur egg on matrix, retaining evidence of the original leathery surface. 3.66 kg, 16 cm wide
From a North London, UK, collection, 1990s.
Dinosaur eggs are known from about 200 sites around the world, the majority in Asia and mostly in terrestrial (non-marine) rocks of the Cretaceous Period. It may be that thick calcite eggshells evolved during the Cretaceous (145 to 65 million years ago). Most dinosaur eggs have one of two forms of eggshell that are distinct from the shells of related modern animal groups, such as turtles or birds; however, some eggs closely resemble the type of shells seen in present day ostrich eggs. -
Natural History - Fossil Sporadoceras Goniatite Group
Devonian Period, circa 385-359 million years B.P.Sold for (Inc. bp): £52
Comprising two freestanding Sporadoceras sp., polished through the shell to reveal the calcite preserved inside and show the dividing gas chambers known as suture patterns where the chambers meet the surface giving a zig-zag pattern. 433 grams total, 83-88 mm
From the Atlas Mountains, Morocco. Acquired 1950s-1960s. From an old Bristol, UK, palaeontological collection.
