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_900x900.jpg "Large Amethyst Geode with Calcite Formation")
_200x200.jpg "Large Amethyst Geode with Calcite Formation")
.jpg "Large Amethyst Geode with Calcite Formation")
LOT 0415
Large Amethyst Geode with Calcite Formation
13 3/4 in. (17.65 kg, 35 cm).
Cut geode lined with richly-coloured dark purple and lavender coloured amethyst crystals; to the centre of the geode, large cream-coloured calcite crystals bordered by green celadonite and white quartz, typical of Uruguayan crystal formations.
ProvenanceFrom Artigas, Uruguay.
Property of a London lady.
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AUCTIONS:
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Agatised Amethyst Crystal Geode Section with Polished Exterior
Sold for (Inc. bp): £2,600
The borders polished to emphasise the beautiful agatised layers; the inside cavity lined with purple amethyst, creamy calcites and white quartz, creating a frosted appearance; accompanied by a custom-made display stand. 24 kg total, 64.5 cm high including stand
From Artigas, Uruguay. Property of a London lady. -
North American and Other Fossil Collection
Mainly Cretaceous Period, 145-65 million years B.P.Sold for (Inc. bp): £20
Group of fourteen fossil teeth and other parts, each in a collector's card with window, inked catalogue number with notes relating to identification, findspot and dating; mounted in a vinyl sheet. 62 grams total, 24.5 x 22.5 cm
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. -
Tray of Mineral Specimens
Sold for (Inc. bp): £143
A group of various natural and polished crystal and mineral specimens. 2.35 kg, 39.5 x 23.6 cm total
Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). From the private collection of John Meredith, acquired since the 1990s; thence by descent.
