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![Pink Dolomite Crystal Display Collection [10]](https://timelineauctions.com/zoom_images/zoomthumb/2/2/227863_900x900.jpg "Pink Dolomite Crystal Display Collection [10]")
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LOT 2674
Pink Dolomite Crystal Display Collection [10]
2 3/8 - 3 3/4 in. (1.3 kg total, 61-95 mm).
Comprising large cut sections of pink dolomite with dusting of marcasite. [10, No Reserve]
ProvenanceFrom Touissite, Morocco, North Africa.
Ex Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.
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AUCTIONS:
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LOT 2674
Pink Dolomite Crystal Display Collection [10]
Sold for (Inc. bp): £7
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Tschermigite Mineral Specimen
Sold for (Inc. bp): £98
Comprising deep purple pyramidal crystals on a matrix; laboratory grown. 34.8 grams, 47 mm
Acquired from the Bakewell Show, UK, 7 October 2000. 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. -
Flexicalymene Fossil Trilobite in Nodule
Ordovician Period, circa 510-445 million years B.P.Sold for (Inc. bp): £7
An opened nodule containing a Flexicalymene sp. specimen. 105 grams total, 47-52 mm
From a Lincolnshire, UK, collection. -
Fossil Fish in Matrix
Eocene Period, circa 58-36 million years B.P.Sold for (Inc. bp): £33
Comprising two complete Knightia alta specimens and remains of a third fish. 622 grams, 13.1 x 13.7 cm
From Wyoming (Green River Formation), USA. 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.
