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![Cut and Polished Felt Backed Agate Geode Coaster Set [6]](https://timelineauctions.com/zoom_images/zoomthumb/2/2/228295_900x900.jpg "Cut and Polished Felt Backed Agate Geode Coaster Set [6]")
![Cut and Polished Felt Backed Agate Geode Coaster Set [6]](https://timelineauctions.com/zoom_images/zoommap/2/2/228295_200x200.jpg "Cut and Polished Felt Backed Agate Geode Coaster Set [6]")
![Cut and Polished Felt Backed Agate Geode Coaster Set [6]](https://timelineauctions.com/upload/images/items/228295.jpg "Cut and Polished Felt Backed Agate Geode Coaster Set [6]")
LOT 2708
Cut and Polished Felt Backed Agate Geode Coaster Set [6]
3 3/8 - 4 1/8 in. (525 grams total, 8.5-10.4 cm).
Comprising six graduated slices displaying grey and dark brown banding. [6, No Reserve]
ProvenanceFrom Brazil.
Ex Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.
TimeLine Auctions follows a vetting process to ensure the authenticity and legality of all items, reinforcing our commitment to integrity and responsible trading. Each antiquity, antique, and coin lot undergoes thorough examination by a vetting committee of at least ten external specialists, professional trade association members, scientists, and archaeologists: Our Vetting Process
AUCTIONS:
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LOT 2708
Cut and Polished Felt Backed Agate Geode Coaster Set [6]
Sold for (Inc. bp): £26
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Large Kalahari Desert Wind Stone
Sold for (Inc. bp): £104
A wind-rounded pebble in a hollowed out 'nest'; with a hessian draw-ribbon pouch. 870 grams, 12.8 cm
From the Kalahari Desert. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
'Quiruvilca Mine' Pyrite Specimen
Sold for (Inc. bp): £26
A mass of intergrown pyrite with three cut sides. 1.17 kg, 10.5 cm
Quiruvilca Mine, Santiago de Chuco Province, Peru. Ex Sam Weller, West Cornwall. De-acquisitioned from a private Cornwall, UK, collection.) -
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Knightia Fossil Fish in Matrix Group
Eocene Period, circa 58-36 million years B.P.Sold for (Inc. bp): £65
Comprising three rounded matrices, each with a Knightia alta specimen. 145 grams total, 63-74 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.
