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LOT 2531
Very Large Cut Natural Unpolished Fossilised Tree Trunk Slice
TRIASSIC PERIOD, 251-199 MILLION YEARS B.P.
12 1/8 in. (1.81 kg, 30.8 cm).
Thick section of agatized wood showing some bark detailing on the outer edges. [No Reserve]
ProvenanceFrom Madagascar.
Ex Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.
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AUCTIONS:
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LOT 2531
Very Large Cut Natural Unpolished Fossilised Tree Trunk Slice
Estimate £40 - 60€46 - 70 (for guidance only)$54 - 81 (for guidance only)
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Citrine Gem Tree on Amethyst Crystal Geode Section
Estimate: £20 - 30 (+bp*)
Opening Bid: £5
Irregular geode matrix with light purple amethyst crystals; the metal branches tipped with polished light-coloured citrine pebbles. 505 grams, 16 cm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
![Group of Three [3] Large Cut and Polished Agate Geode Specimens](https://timelineauctions.com/upload/images/items/small/256039-s.jpg)
Group of Three [3] Large Cut and Polished Agate Geode Specimens
Estimate: £20 - 30 (+bp*)
Opening Bid: £5
Comprising three freestanding sections with polished faces showing mainly grey and brown banding, and each with a central crystal-lined cavity. 2.06 kg total, 9.7-12.2 cm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
Fossil Douvilleiceras Mammilatum Ammonite
Cretaceous Period, circa 113-100 million years B.P.Estimate: £20 - 30 (+bp*)
Bids: 1 | Current Bid: £5
Showing prominent ribbing and some iridescence. 167 grams, 71 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.
