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LOT 2626
Quartz and Pyrite Mineral Specimen
3 in. (175 grams, 74 mm).
An irregular specimen with white quartz and bright pyrite. [No Reserve]
ProvenanceFrom Cornwall, UK.
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.
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AUCTIONS:
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Massive Rock Crystal Quartz Point Pair
Sold for (Inc. bp): £33
Comprising two large prismatic points, one clear and the other smoky, both with some internal inclusions. 900 grams total, 13.8-16.5 cm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
Knightia Fossil Fish
Eocene Period, circa 58-36 million years B.P.Sold for (Inc. bp): £39
An oval matrix with a Knightia alta specimen. 81 grams, 96 mm
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. -
Mesoproterozoic 'String of Beads' Fossil
Backdoor Formation, circa 1.4 billion years B.P.Sold for (Inc. bp): £98
Showing a number of Horodyskia williamsii macrofossil imprints; information sticker to reverse with inked collector's note 'Pingandy Station'. 174 grams, 79 mm
Found Pingandy Station, Western Australia. From a Leicestershire, UK, collection.
Previously described informally as a ‘string of beads’, assigned to the genus Horodyskia, and is considered one of the oldest known eukaryotes.
