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![Mixed Cut and Polished Agate Half Geode Group [10]](https://timelineauctions.com/zoom_images/zoomthumb/2/5/250978_900x900.jpg "Mixed Cut and Polished Agate Half Geode Group [10]")
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![Mixed Cut and Polished Agate Half Geode Group [10]](https://timelineauctions.com/upload/images/items/250978.jpg "Mixed Cut and Polished Agate Half Geode Group [10]")
LOT 2917
Mixed Cut and Polished Agate Half Geode Group [10]
1 7/8 - 4 1/4 in. (1.66 kg total, 4.7-10.7 cm).
Comprising ten cut geode halves showing crystalline centres. [20, 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:
TimeLine is a leading auction house specialising in antiquities, ancient art, collectables, natural history, coins, medals, and books. Our auctions offer museums, collectors, historians, and enthusiasts the opportunity to acquire unique and historically significant pieces.
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Cut and Polished Agate Geode Slice Group
Sold for (Inc. bp): £26
Comprising six translucent slices showing red, orange and grey banding together with colourless quartz crystal formations. 392 grams total, 13.2-13.8 cm
Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
Fossil Knightia Fish in Matrix
Eocene Period, circa 58-36 million years B.P.Sold for (Inc. bp): £91
A Knightia alta fish on a rectangular limestone matrix. 589 grams, 17.8 cm
From a Cambridgeshire, 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. -
Large Rose Quartz Boulder
Sold for (Inc. bp): £13
Vibrant pink boulder of microcrystalline rose quartz. 4.13 kg, 18 cm
Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.
