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_200x200.jpg "Natural History - Massive Pyrites Crystal Mineral Display")
_900x900.jpg "Natural History - Massive Pyrites Crystal Mineral Display")
_200x200.jpg "Natural History - Massive Pyrites Crystal Mineral Display")
_900x900.jpg "Natural History - Massive Pyrites Crystal Mineral Display")
_200x200.jpg "Natural History - Massive Pyrites Crystal Mineral Display")
.jpg "Natural History - Massive Pyrites Crystal Mineral Display")
.jpg "Natural History - Massive Pyrites Crystal Mineral Display")
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LOT 0391
Natural History - Massive Pyrites Crystal Mineral Display
8 in. (15.3 kg, 20.5 cm).
Formed as a very large crystalline form of iron pyrites (fool's gold) with large main pyritohedral crystals rising from a complex base of smaller intersecting crystals.
ProvenanceFrom Peru.
CONDITIONTimeLine 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 0391
Natural History - Massive Pyrites Crystal Mineral Display
Sold for (Inc. bp): £975
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Natural History - Fossil Diplomystus Fish
Eocene Period, circa 58 million years B.P.Sold for (Inc. bp): £104
A Diplomystus sp. fossil fish on a rectangular matrix. 439 grams, 20.7 cm
From Wyoming (Green River Formation), USA. From an old Bristol, UK, collection.
Seasonally some 58 million years ago, in the Green River region of Wyoming, torrential rains fell in the mountains. They flowed down the mountain sides, forming wide shallow lakes in the valley below. During the dry season, these lakes would dry up due to evaporation (as happens in certain parts of Africa today). Millions of fish died in this short period of time. This climatic cycle happened over a 20-thousand-year period. Layer upon layer of mud entombed all these fish. At a much later date, volcanic activity uplifted this area to expose the fossils. -
Natural History - Large Cleoniceras Fossil Ammonite with Stand
Jurassic Period, circa 178-180 million years B.P.Sold for (Inc. bp): £130
The Cleoniceras sp. displaying iridescent surfaces. 890 grams total, 18.5 cm high including stand
From Madagascar. -
Natural History - Fossil Ginko Leaf
Carboniferous Period, 359-299 million years B.P.Sold for (Inc. bp): £39
The light-coloured specimen on an irregular matrix. 48 grams, 80 mm
Ex Cambridgeshire, UK, collection.
