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LOT 2324
Large Cut and Polished Banded Agate Crystal Geode Slice
9 3/4 in. (575 grams, 24.6 cm).
Thick slice of 'fortress' agate with grey, brown, black and orange banding, the internal cavity lined with small pale purple amethyst crystals. [No Reserve]
ProvenanceFrom Brazil.
Ex Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.
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AUCTIONS:
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Cut and Polished Ammonite Display Pair
Jurassic Period, circa 199-145 million years B.P.Sold for (Inc. bp): £65
The ammonite showing the internal gas chambers, some with crystallisation. 218 grams total, 9.9-10.2 cm
From a Lincolnshire, UK, collection. -
Fossil Crotalocephaline Trilobite in Matrix
Middle Devonian, circa 380 million years B.P.Sold for (Inc. bp): £85
Crotalocephaline gibbus on a matrix showing characteristic sharp pygidial spines. 219 grams, 93 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. -
Fossil Phacops Trilobite on Matrix
Devonian Period, circa 444-439 million years B.P.Sold for (Inc. bp): £78
Comprising two aquatic arthropod showing good detail in the carapace, resting on an irregular matrix. 128 grams, 74 mm
From Lebanon. From a Cambridgeshire, UK, collection.
