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LOT 2408
Massive Deep Purple Amethyst Crystal Geode Display
CIRCA 140-120 MILLION YEARS B.P.
24 3/4 x 28 1/4 x 14 1/2 in. (177 kg, 63 x 72 x 37 cm).
A large freestanding geode display with polished edges, the interior lined with rich, deep purple amethyst crystals.
ProvenanceFrom Artigas, Uruguay.
Property of a London lady.
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AUCTIONS:
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LOT 2408
Massive Deep Purple Amethyst Crystal Geode Display
Estimate £5,000 - 7,000€5,800 - 8,120 (for guidance only)$6,750 - 9,450 (for guidance only)
Opening Bid
£2,750 (EUR 3,190; USD 3,713) +BP*
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Mixed Cornwall and Other Crystal and Mineral Specimen Group
Estimate: £30 - 40 (+bp*)
Opening Bid: £5
Comprising: quartz from Rostowrack China Clay Pit, Cornwall; smoky quartz from Virginia Pit, St Stephen, Cornwall; chalcopyrite from Mount Wellington Mine, Twelveheads, Cornwall; rhodonite from Greystone Wood Mine, Lawhitton, Cornwall; tourmaline from Buttern Hill Placers, Altarnun, Cornwall; rutile from Lanterdan Quarry, Treknow, Cornwall; epimorph in siderite from Virtuous Lady Mine Buckland, Monachorum, Devon; banded gneiss specimen. 2.04 kg total, 3.2-13.7 cm
From the property of a Cornwall, UK, gentleman. -
Polished Goniatite and Orthoceras Fossil Oval Bowl
Devonian Period, circa 400 million years B.P.Estimate: £40 - 60 (+bp*)
Bids: 4 | Current Bid: £8
Large dish carved from fossiliferous stone and set with a goniatite specimen. 813 grams, 23 cm
Ex Cambridgeshire, UK, collection. -
Fossil Crotalocephaline Trilobite in Matrix
Middle Devonian, circa 380 million years B.P.Estimate: £30 - 40 (+bp*)
Bids: 1 | Current 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.