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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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Brown Druzy Quartz Stalagmite Geode Display
Circa 140-120 million years B.P.Estimate: £1,000 - 1,400 (+bp*)
Opening Bid: £550
A polished underside of a geode containing upward-reaching stalagmites covered in druzy brown quartz and small, sparkling white quartz crystals; mounted on a custom-made display stand. 6 kg, 15 x 30 x 17cm, 20 cm including stand
From Artigas, Uruguay. Property of a London lady. -
Nothofagus Fossil Ferns in Matrix
Lower Eocene Period, circa 56-48 million years B.P.Estimate: £20 - 30 (+bp*)
Opening Bid: £5
An irregular matrix with multiple Southern beech leaves. 400 grams, 13.8 cm
From the Redbank Plains formation, Ebbw Vale, Ipswich, Queensland, Australia. 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 Diplomystus Fish in Matrix
Eocene Period, 58-36 million years B.P.Estimate: £30 - 40 (+bp*)
Bids: 2 | Current Bid: £5
On a rectangular matrix, showing good spine and tail detail. 469 grams, 18 cm
From Green River formation, Wyoming, USA. 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.
