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LOT 2274
Large Amethyst and Quartz Crystal Geode Section Collection [3]
4 1/4 - 7 5/8 in. (1.77 kg total, 10.7-19.5 cm).
Comprising three large sections, each with clusters of light coloured quartz and amethyst crystals. [3, No Reserve]
ProvenanceFrom Brazil.
Ex Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.
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AUCTIONS:
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LOT 2274
Large Amethyst and Quartz Crystal Geode Section Collection [3]
Sold for (Inc. bp): £7
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Fossil Mosquito and Grasshopper in Matrix
Cretaceous Period, circa 108-92 million years B.P.Sold for (Inc. bp): £26
Each on a limestone matrix. 170 grams total, 73-76 mm
Crato formation, Brazil. From a Lincolnshire, UK, collection. -
Fossil Metasequoia Fern Group
Eocene Period, circa 58 million years B.P.Sold for (Inc. bp): £20
Comprising three irregular matrices, each with 'Dawn Redwood' specimen. 118 grams total, 50-60 mm
From a Lincolnshire, UK, collection. -
Huge Section of Fossilised 'Rainbow' Wood
235 million years B.P.Sold for (Inc. bp): £546
Petrified tree section of 40-46mm thickness with finely polished finish to upper and lower faces and set into resin; edges slightly chamfered. 26.2 kg, 68 cm
From the private collection of Mr J.G., UK, a company executive.
The petrified wood from Araucarioxylon arizonicum is often referred to as "rainbow wood" due to the variety of subtle, warm colours it exhibits, mainly in the red-orange range from hematite and limonite inclusions within the silica.
