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LOT 2296
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 2296
Round Amethyst Crystal Geode with Polished Borders
Estimate £2,000 - 3,000€2,320 - 3,480 (for guidance only)$2,700 - 4,050 (for guidance only)
Opening Bid
£1,100 (EUR 1,276; USD 1,485) +BP*
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![Group of Five [5] Large Cut and Polished Agate Geode Halves](https://timelineauctions.com/upload/images/items/small/256036-s.jpg)
Group of Five [5] Large Cut and Polished Agate Geode Halves
Estimate: £20 - 30 (+bp*)
Opening Bid: £5
Comprising five cut sections with polished faces showing grey and brown banding, four with an exposed crystal-lined cavity. 2.12 kg total, 8.8-12 cm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
Stone Arrowhead Embedded in a Leidyosuchus Crocodile Vertebra
Cretaceous Period, circa 100-66 million years B.P.Estimate: £30 - 40 (+bp*)
Opening Bid: £5
An almost complete vertebra with an old inked collector's number '43'; the arrowhead embedded later for display. 76 grams, 10 cm
From Oldman Formation, Princess Alberta, Canada. 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 Shrimp Plate
Eocene Period, circa 58-36 million years B.P.Estimate: £50 - 70 (+bp*)
Opening Bid: £5
Rectangular matrix containing three good-sized shrimps. 417 grams, 15.2 x 9.1 cm
From Lebanon. From the private collection of a Devon, UK, lady.
