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LOT 2481
Two Large Cut and Polished Slabs of Rare Vintage Blue John Fluorite
9 7/8 - 10 in. (935 grams total, 25.1-25.6 cm).
Two irregular slabs showing typical purple, blue and white banding. [2, No Reserve]
ProvenanceFrom the UK.
Ex Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.
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AUCTIONS:
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LOT 2481
Two Large Cut and Polished Slabs of Rare Vintage Blue John Fluorite
Sold for (Inc. bp): £104
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50 Fuchsite Mica Specimens
Sold for (Inc. bp): £7
A group of 50 green fuchsite mica specimens with pearly lustre. 1.2 kg total, 28-54 mm
Very fine condition.
Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). From the private collection of John Meredith, acquired since the 1990s; thence by descent. -
Collection of Extinct Fossilised Shark Teeth in Collector's Display Box
Eocene-Pleistocene Period, circa 56 million-11,700 years B.P.Sold for (Inc. bp): £117
Large collection of shark teeth, including Odontapsis, Lamna oblirua, Charcharodon auriculatus, Striatolamia, and others; most with an inked collector's number or a numbered sticker. 973 grams total, 30.5 x 24 cm including box
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. Accompanied by a list with collection numbers describing each species, dates, and provenances. -
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Sericho Meteorite Cross-Section
Circa 4.5 billion years B.P.Sold for (Inc. bp): £11,050
A spectacular polished slice displaying the characteristic crystalline structure of pallasites, with translucent amber-coloured olivine crystals suspended in a shimmering metallic iron-nickel matrix; accompanied by a custom-made display stand. 1.3 kg, 48.5 cm
Discovered in Isiolo County, Eastern Kenya, 2016. Private collection, USA.
Comprising 0.2% of all meteorites, pallasites are the rarest and most aesthetic examples and are highly sought after by collectors and museums. This cross-section reveals their mesmerising internal structure, consisting of translucent amber-coloured olivine crystals suspended in a shimmering iron-nickel matrix which has been polished to a mirror finish. Of all known pallasites, Sericho is especially renowned for its high concentration of olivine, often displaying hues of orange, yellow and green when spotlit or in direct sunlight. Cross-sections of this scale and integrity are particularly rare. While prized for their beauty, Sericho meteorites are also notoriously prone to oxidation if not treated correctly. This piece has been carefully prepared, resulting in a stable specimen that retains both its visual clarity and structural integrity.
