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LOT 2470
Agate and Amethyst 'Window' Display
CRETACEOUS PERIOD, CIRCA 140-120 MILLION YEARS B.P.
9 5/8 x 6 1/4 x 4 1/4, 14 in. (3.15 kg, 24.5 x 16 x 11 cm, 35.5 cm including stand).
Polished geode section with six rounded openings creating windows to the inside of the geode, the internal walls lined with vibrant purple amethyst crystals; mounted on a custom-made display stand.
ProvenanceFrom Artigas, Uruguay.
Property of a London lady.
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AUCTIONS:
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LOT 2470
Agate and Amethyst 'Window' Display
Estimate £1,800 - 2,400€2,090 - 2,780 (for guidance only)$2,430 - 3,240 (for guidance only)
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Fossil Crotalocephaline Trilobite in Matrix
Middle Devonian, circa 380 million years B.P.Estimate: £30 - 40 (+bp*)
Bids: 1 | Current Bid: £5
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. -
White Quartz Crystal Display
Cretaceous Period, circa 140-120 million years B.P.Estimate: £1,000 - 1,400 (+bp*)
Opening Bid: £550
A polished geode section with large prismatic quartz crystals in flower-like radiating clusters; mounted on a custom-made display stand. 16.4 kg, 30 x 34 x 23 cm, 35 cm including stand
From Artigas, Uruguay. Property of a London lady. -
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Collection of Cabochon Rubies
Estimate: £120 - 170 (+bp*)
Bids: 1 | Current Bid: £27
Comprising six polished cabochons, some lead glass-filled. 5.15 grams total, 8-11 mm
Private collection, London, UK.
