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LOT 2464
Large Deep Purple Amethyst Cathedral Display
CIRCA 140-120 MILLION YEARS B.P.
33 x 15 x 10 5/8, 44 in. (40.65 kg, 84 x 38 x 17 cm, 112 cm including stand).
A complete half of a pyramidal geode, showing deep purple amethyst crystals with tan-coloured druzy quartz; mounted on a custom-made display stand.
ProvenanceFrom Artigas, Uruguay.
Property of a London lady.
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AUCTIONS:
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LOT 2464
Large Deep Purple Amethyst Cathedral Display
Estimate £2,000 - 3,000€2,320 - 3,480 (for guidance only)$2,700 - 4,050 (for guidance only)
Opening Bid
£1,100 (EUR 1,276; USD 1,485) +BP*
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![Group of Ten [10] Meteorite Crater Tektite Specimens](https://timelineauctions.com/upload/images/items/small/256051-s.jpg)
Group of Ten [10] Meteorite Crater Tektite Specimens
Estimate: £40 - 60 (+bp*)
Opening Bid: £5
Comprising ten irregular, rounded pieces with typical surface indentations. 45 grams total, 16-33 mm
Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.
Tektites are lumps of black or dark grey natural glass produced from melted crustal rocks caused by large hypervelocity meteorite impacts on sediments. -
![Group of Twenty [20] Cut and Polished Malachite Eye Sections](https://timelineauctions.com/upload/images/items/small/256022-s.jpg)
Group of Twenty [20] Cut and Polished Malachite Eye Sections
Estimate: £30 - 40 (+bp*)
Bids: 1 | Current Bid: £5
Comprising twenty botryoidal malachite specimens showing 'eye' motifs. 243 grams total, 18-38 mm
From the Democratic Republic of the Congo. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
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*)
Bids: 1 | Current 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.
