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LOT 2408
Massive Deep Purple Amethyst Crystal Geode Display
CIRCA 140-120 MILLION YEARS B.P.
24 3/4 x 28 1/4 x 14 1/2 in. (177 kg, 63 x 72 x 37 cm).
A large freestanding geode display with polished edges, the interior lined with rich, deep purple amethyst crystals.
ProvenanceFrom Artigas, Uruguay.
Property of a London lady.
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AUCTIONS:
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LOT 2408
Massive Deep Purple Amethyst Crystal Geode Display
Estimate £5,000 - 7,000€5,800 - 8,120 (for guidance only)$6,750 - 9,450 (for guidance only)
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Fossil Hammatoceras Ammonite
Jurassic Period, circa 183-176 million years B.P.Sold for (Inc. bp): £85
Large Hammatoceras insigne specimen showing the characteristic discoidal form with strong ribbing. 750 grams, 16.1 cm
From Toarcian Caluados, France. 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. -
Group of Fifty [50] Rock Crystal Point Display Specimens
Sold for (Inc. bp): £33
Comprising fifty prismatic points, most with pyramidal terminations. 1.34 kg total, 39-69 mm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
Large Cut and Polished Banded Agate Crystal Geode Slice
Sold for (Inc. bp): £52
Thick slice of 'fortress' agate with grey, brown, black and orange banding, the internal cavity lined with small pale purple amethyst crystals. 575 grams, 24.6 cm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.