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LOT 2346
Group of Ten [10] Cut and Polished Agate Geode Slices
3 5/8 - 5 in. (795 grams total, 9.2-12.7 cm).
Attractive group of polished translucent slices showing contrasting bands, two showing quartz crystal formations, and with dendritic inclusions and four with horizontal banding. [10, 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 2346
Group of Ten [10] Cut and Polished Agate Geode Slices
Estimate £20 - 30€23 - 35 (for guidance only)$27 - 41 (for guidance only)
Opening Bid
£5 (EUR 6; USD 7) +BP*
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Box of Eighteen [18] Mineral and Crystal Specimen Collection
Estimate: £40 - 60 (+bp*)
Opening Bid: £5
Boxed group of specimens including a hexagonal sapphire crystal, amethyst, lazurite, calcite, red jasper, quartz, malachite, prehnite(?), and others. 1.45 kg total, 0.8-11.7 cm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
Cut and Polished Ammonite Display Pair
Jurassic Period, circa 199-145 million years B.P.Estimate: £30 - 40 (+bp*)
Opening Bid: £5
The ammonite showing the internal gas chambers, some with crystallisation. 218 grams total, 9.9-10.2 cm
From a Lincolnshire, UK, collection. -
Historic Roman 'Spartan Basalt' Cut Green Porphyry Strip Group
Estimate: £80 - 100 (+bp*)
Bids: 2 | Current Bid: £15
Cut and polished sections, mined in Greece, cut and polished on both sides, probably recycled material mined in ancient Roman times. 225 grams total, 4.4-15.1 cm
Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.
Also known as Lapis Lacedaemonius and Porfido Verde Antico, a type of green porphyry quarried in Greece. Spartan basalt is a form of andesite or volcanic rock known today only from a single source in the village of Krokees on the Peloponnese in Greece. In addition, ancient sources mention a quarry of Lapis Lacedaemonius in Taygetus.