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LOT 2396
Massive Natural Tiger's Eye Slab Section
7 5/8 in. (1.42 kg, 19.3 cm).
Unpolished triangular slab showing chatoyance to two cut faces. [No Reserve]
ProvenanceEx Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.
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AUCTIONS:
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Multiple Knightia Fossil Fish in Matrix
Eocene Period, circa 58-36 million years B.P.Sold for (Inc. bp): £33
Comprising three Knightia alta specimens. 438 grams, 12 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. -
Polished Mineral Specimen Egg Collection
Sold for (Inc. bp): £26
Comprising three egg-shaped agate specimens and one in blue calcite(?). 780 grams total, 60-68 mm
Burwell collection, Cambridgeshire, UK. -
Polished Rutilated Quartz Sphere Group
Sold for (Inc. bp): £78
Comprising three clear quartz marbles, each with needle-like inclusions of rutile. 43 grams total, 21-22 mm
Ex property of a UK gallery, early 2000s.
