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![Group of Three [3] Large Pale Amethyst and Quartz Crystal Sections](https://timelineauctions.com/zoom_images/zoomthumb/2/5/255968_900x900.jpg "Group of Three [3] Large Pale Amethyst and Quartz Crystal Sections")
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LOT 2365
Group of Three [3] Large Pale Amethyst and Quartz Crystal Sections
3 5/8 - 7 in. (1.63 kg total, 9.1-17.6 cm).
Comprising three geode sections, two with pale purple amethyst crystals and one with almost colourless quartz 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 2365
Group of Three [3] Large Pale Amethyst and Quartz Crystal Sections
Estimate £30 - 40€35 - 46 (for guidance only)$41 - 54 (for guidance only)
Opening Bid
£5 (EUR 6; USD 7) +BP*
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Collection of Extinct Fossilised Shark Teeth in Collector's Display Box
Eocene-Pleistocene Period, circa 56 million-11,700 years B.P.Estimate: £80 - 100 (+bp*)
Opening Bid: £5
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. -
Fossil Harpes Trilobite in Matrix
Middle Devonian Period, circa 380 million years B.P.Estimate: £30 - 40 (+bp*)
Opening Bid: £5
Roughly semicircular head, and the genal roll with genal prolongations. 117 grams, 77 mm
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. -
Fossil Crotalocephaline Trilobite in Matrix
Middle Devonian, circa 380 million years B.P.Estimate: £30 - 40 (+bp*)
Opening Bid: £5
Crotalocephaline gibbus on a matrix showing characteristic sharp pygidial spines. 219 grams, 93 mm
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.
