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LOT 2517
Natural History - Agatized Fossil Tree Trunk Cut Slice
TRIASSIC PERIOD, 251-199 MILLION YEARS B.P.
7 7/8 in. (753 grams, 20 cm).
Polished on one side to show the dark brown banding with a central 'lava-like' dark red banding radiating from a small quartz filed cavity. [No Reserve]
ProvenanceFrom Madagascar.
Ex Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's).
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AUCTIONS:
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LOT 2517
Natural History - Agatized Fossil Tree Trunk Cut Slice
Sold for (Inc. bp): £46
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Natural History - Cut and Polished Sodalite Slab Group [3]
Sold for (Inc. bp): £7
Comprising three irregular pieces with one polished face showing the contrasting white veining. 209 grams total, 8.2-10 cm
Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
Natural History - Brown Obsidian Natural Glass Specimen Group [100]
Sold for (Inc. bp): £26
Comprising cut dark brown to black samples. 878 grams total, 22-46 mm
Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
Natural History - Unpolished Cut Amethyst Crystal Geode Slice
Sold for (Inc. bp): £13
With two straight edges, cut to expose the inner structure of a geode with layers of amethyst and other crystals. 613 grams, 24.5 cm
Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's).