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LOT 2364
Polished Amethyst Crystal Geode Display with Calcite
CRETACEOUS PERIOD, CIRCA 120-140 MILLION YEARS B.P.
10 5/8 x 7 7/8 x 4 in. (5.68 kg, 27 x 20 x 10 cm).
The outer layer of green celadonite beautifully polished, the interior with dark purple prismatic amethyst crystals, and at the top, an aggregate of white rhombohedral calcite crystals; 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 2364
Polished Amethyst Crystal Geode Display with Calcite
Estimate £1,000 - 1,400€1,160 - 1,620 (for guidance only)$1,350 - 1,890 (for guidance only)
Opening Bid
£550 (EUR 638; USD 743) +BP*
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White Quartz Crystal Display
Cretaceous Period, circa 140-120 million years B.P.Estimate: £1,000 - 1,400 (+bp*)
Opening Bid: £550
A polished geode section with large prismatic quartz crystals in flower-like radiating clusters; mounted on a custom-made display stand. 16.4 kg, 30 x 34 x 23 cm, 35 cm including stand
From Artigas, Uruguay. Property of a London lady. -
Mixed Ireland, Scotland and English Crystal and Mineral Specimen Group
Estimate: £30 - 40 (+bp*)
Opening Bid: £5
Comprising: quartz from Cloghmore Quarry, Costelloe, Galway, Ireland; smoky quartz and hematite from Auchinloch Quarry, Dalbeattie, Dumfries, Scotland; baryte from Mowbray Mone, Frizington, Cumbria; pumpellyite from Creag Brimishgan, Isle of Mull, Scotland; fluorite from Mildam Mine, Great Hucklow, Derbyshire; fluorite from Greenlaws Mine, Daddry Sheild, Weardale, Durham; epidote from Cloghmore Quarry, Costelloe, Galway, Ireland; baryte and dolomite from Frizington, Cumbria; azurite from Gortdrum Mine, Monard, Tipperar, Ireland; Blue John on a display stand from Treak Cliff, Castleton, Derbyshire. 3.35 kg total including box, 3.8-12.3 cm
From the property of a Cornwall, UK, gentleman. -
Bismuth Crystal Display Formation
Estimate: £20 - 30 (+bp*)
Opening Bid: £5
Cluster of hopper crystals exhibiting a stairstep crystal structure and iridescent colours. 15 grams, 33 mm
From a Cambridgeshire, UK, collection.