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LOT 0410
Round Amethyst Crystal Geode with Polished Borders
11 1/2 in. (17.5 kg total, 29.5 cm high including stand).
An unusual rounded geode section with stalagmite-like formations of calcite and quartz rising from the base, polished borders revealing the celadonite shell with some exterior basalt visible; accompanied by a custom-made display stand.
ProvenanceFrom Artigas, Uruguay.
Property of a London lady.
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AUCTIONS:
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LOT 0410
Round Amethyst Crystal Geode with Polished Borders
Estimate £3,000 - 4,000€3,480 - 4,640 (for guidance only)$4,050 - 5,400 (for guidance only)
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Large Fossil Theropod Dinosaur Egg
Cretaceous Period, 145-65 million years B.P.Sold for (Inc. bp): £1,040
An elongated egg in matrix retaining some evidence of leathery surface, probably Macroelongatoolithus xixiaensis, a giant form of Oviraptor. 11.4 kg, 45 cm
Previously from a Hong Kong collection. Ex property of a London, UK, gentleman.
Macroelongatoolithus is an extinct genus of dinosaurs that laid particularly large eggs that could have been up to 60cm long. -
Fly in Polished Baltic Amber
Pliocene Epoch, 5.33-2.58 million years B.P.Sold for (Inc. bp): £26
Section of amber containing a small fly. 2.3 grams, 37 mm
From the private collection of Kenneth Machin (1936-2020), Buckinghamshire, UK; his collection of antiquities and natural history was formed since 1948; thence by descent. -
Dog Tooth Calcite Crystal Mineral Display Specimen
Sold for (Inc. bp): £33
Cluster of calcite crystals. 70 grams, 66 mm
Property of a North West London, UK, lady.
