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LOT 2796
Natural History - Historic 'Murcia, Spain' Fluorite Mineral Specimen
2 3/8 in. (80 grams, 61 mm).
With dark crystal formation, collection number 414. [No Reserve]
ProvenanceAcquired on the UK mineral and fossil market, since 1970.
From the historic mineral collection of Richard Valentine Cain, London, UK, thence by descent.
Accompanied by an original historic index file card and an old Gregory, Bottley & Lloyd label.
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AUCTIONS:
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LOT 2796
Natural History - Historic 'Murcia, Spain' Fluorite Mineral Specimen
Sold for (Inc. bp): £52
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Natural History - Historic 'Rogerley Mine, Frosterley, Co. Durham' Fluorite Mineral Specimen
Sold for (Inc. bp): £72
Displaying large green twinned crystals, collection number 573; purchased from Gregory, Bottley & Lloyd for £45.00 in 1984, with an old label and invoice. 50 grams, 33 mm
Acquired on the UK mineral and fossil market, since 1970. From the historic mineral collection of Richard Valentine Cain, London, UK, thence by descent. Accompanied by an original historic index file card. -
Natural History - Historic 'Peru' Tetrahedrite and Chalcopyrite on Quartz Mineral Specimen
Sold for (Inc. bp): £65
Featuring small tetrahedrite and chalcopyrite crystals on a bed of small quartz crystals, collection number 441, with an old Gregory, Bottley & Lloyd label. 64 grams, 60 mm
Acquired on the UK mineral and fossil market, since 1970. From the historic mineral collection of Richard Valentine Cain, London, UK, thence by descent. Accompanied by an original historic index file card. -
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Natural History - Knightia Fossil Fish Group
Eocene Period, circa 56-33 million years B.P.Sold for (Inc. bp): £52
Comprising three rounded sandstone matrices, each with a Knightia alta specimen. 159 grams total, 75 mm each
From a Lincolnshire, UK, collection.
In southwest Wyoming (and parts of Colorado and Utah) in the Green River Formation are found some of the world's most outstanding specimens of fossil fish. The Green River system was composed of three lakes: Lake Ulinta, Lake Gosiute and Fossil Lake. These Eocene lakes lay in a series of intermountain basins formed by geological events that uplifted the Rocky Mountains during the early Tertiary time. The climate was much different from the desert-like climate of this area today. Both the fauna (crocodiles, alligators, boa constrictors and some subtropical fish families) and the flora (such as large palm trees) indicate a climate much like that found along the Gulf Coast today. Large amounts of ash found in the sediments indicate that volcanoes were particularly active at this time.
