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LOT 2392
Manganese Dendrite Landscape Plaque Group
4 1/4 x 2 3/4 - 3 7/8 x 3 in. (410 grams total, 10.9 x 7 - 9.7 x 7.6 cm).
A group of three sawn rectangular shale specimens, each displaying manganese oxide dendrites resembling ferns and branching vegetation. [3, No Reserve]
ProvenanceEx Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.
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AUCTIONS:
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LOT 2392
Manganese Dendrite Landscape Plaque Group
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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Mixed India and USA Crystal and Mineral Specimen Group
Estimate: £30 - 40 (+bp*)
Opening Bid: £5
Comprising: chalcanthite from Planet Mine, La Paz County, Arizona, USA; apophylite from Pune, Maharashtra, India; stilbite from Jalgaon District, Nashik Division, Maharashtra, India; pyrite from Ottawa, Franklin County, Kansas, USA; heulandite from India. 355 grams total, 3.7-10.3 cm
From the property of a Cornwall, UK, gentleman. -
Very Large Fossil Diplomystus Fish on Matrix
Eocene Period, 58-36 million years B.P.Estimate: £800 - 1,000 (+bp*)
Opening Bid: £444
Diplomystus sp. fossil fish on a matrix slab showing good detail to the spine and ribs. 18 kg, 58.5 x 46 cm
From Wyoming, USA. From a Cambridgeshire, UK, collection. -
Historic Roman 'Spartan Basalt' Cut Green Porphyry Strip Group
Estimate: £80 - 100 (+bp*)
Bids: 3 | Current Bid: £55
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.
