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LOT 2471
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 2471
Round Amethyst Crystal Geode with Polished Borders
Estimate £2,500 - 3,500€2,900 - 4,060 (for guidance only)$3,380 - 4,730 (for guidance only)
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Large Cut and Polished Slab of Vintage Blue John
Sold for (Inc. bp): £39
Two irregular slabs showing typical banding. 388 grams total, 17.7-23.5 cm
From Castleton, England. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
White Quartz Crystal Display
Cretaceous Period, circa 120-140 million years B.P.Estimate: £1,200 - 1,700 (+bp*)
Opening Bid: £650
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. -
Fossil Agadir Ammonite Pair
Cretaceous Period, circa 145-66 million years B.P.Sold for (Inc. bp): £20
The pair on a matrix, possibly Calycoceras. 2.73 kg, 22 cm
From a Cambridgeshire, UK, collection.