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LOT 3037
A Collection of Twelve [12] Large Amethyst Mineral Specimens
2 1/4 - 4 3/4 in. (3.51 kg total including box, 5.6-12 cm).
A boxed group of geode sections with amethyst crystals, the colours ranging from very pale purple to dark purple. [12, 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 3037
A Collection of Twelve [12] Large Amethyst Mineral Specimens
Estimate £60 - 80€70 - 93 (for guidance only)$81 - 108 (for guidance only)
Opening Bid
£5 (EUR 6; USD 7) +BP*
-
Hematite Fossil Ammonite Group
Lower Jurassic Period, circa 170 million years B.P.Estimate: £25 - 35 (+bp*)
Opening Bid: £5
Group of ammonite fossils in lustrous haematite. 267 grams total, 22-45 mm
From Morocco, North Africa. Property of a Bristol, UK, gentleman collector. -
Turquoise Blue Crystal Display Specimen with Cobalt Blue Crystals Inside
Estimate: £50 - 70 (+bp*)
Bids: 1 | Current Bid: £5
Cluster of opaque prismatic crystals with a vug lined with translucent vibrant blue prismatic crystals. 19.3 grams, 47 mm
From the collection of Mr Carlos Bahamonde, Manchester, UK. -
Large Campo Del Cielo Meteorite Specimen
Fell 6000-5000 years B.P.Estimate: £2,000 - 3,000 (+bp*)
Opening Bid: £1,000
A very large nickel-iron meteorite (IAB). 2.26 kg, 12.3 cm
Property of a Bristol, UK, gentleman collector.
A crater field of roughly 26 craters was found in the vicinity of this crater, which is estimated to date to 4-5 thousand years BP. The age of the meteorite itself is thought to be c.4.5 billion years, formed as part of the development of this solar system. The largest two fragments, the 30.8-ton Gancedo and 28.8-ton El Chaco, are among the heaviest meteorite masses ever recovered on Earth. In 1576, the governor of a province in Northern Argentina commissioned the military to search for a large mass of iron, which, it was believed, the local people claimed had fallen from the sky and which they used for their weapon production. The expedition discovered a large mass of metal, which was assumed to be an iron mine, and brought back a few samples, which were described as being of unusual purity. Following the legends, in 1774, Don Bartolomé Francisco de Maguna rediscovered the iron mass. He himself did not believe that the stone had fallen from the sky and assumed that it had formed by a volcanic eruption. However, he sent the samples to the Royal Society of London. In 1990, it became protected by law.
