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LOT 2345
Large Green Malachite Boulder Section
6 1/4 in. (3.21 kg, 15.7 cm).
A large unpolished cut boulder showing some botryoidal formations. [No Reserve]
ProvenanceFrom Congo, Central Africa.
Ex Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.
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AUCTIONS:
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![Boxed Pyrite Crystal Mineral Specimen Collection [8]](https://timelineauctions.com/upload/images/items/small/228001-s.jpg)
Boxed Pyrite Crystal Mineral Specimen Collection [8]
Sold for (Inc. bp): £33
Comprising eight specimens showing intergrown golden crystals displaying characteristic striations. 505 grams total, 29-45 mm
From Huanuco, Peru. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
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Cut and Polished 'Rango' Natural Banded Crazy Agate Slice
Sold for (Inc. bp): £59
A translucent slice of crazy lace agate showing clear contrasting banding, one end with two differently sized 'eye' formations resembling the face of the pet chameleon Rango. 52 grams, 11.9 cm
Ex property of a UK gallery, early 2000s. -
Knightia Fossil Fish in Matrix Group
Eocene Period, circa 58-36 million years B.P.Sold for (Inc. bp): £33
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.
