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LOT 2329
A Collection of High Quality Crystal Specimens
1 3/8 - 2 7/8 in. (658 grams total, 36-73 mm).
Comprising: two quartz specimens from the famous Minas Gerais in Brazil; two pyrite specimens from Huanaco in Peru; dark purple amethyst from Antigas in Uruguay; and a crystalline malachite specimen. [6, No Reserve]
ProvenanceFrom Brazil, Peru, Uraguay, and The Democratic Republic of Congo.
Ex Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.
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AUCTIONS:
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Fossil Vinctifer Jianghanichthys Species Fish in Matrix
Eocene Period, circa 56-48 million years B.P.Sold for (Inc. bp): £78
On a rectangular matrix, showing good detail. 168 grams, 13.5 cm
From the private collection of Kenneth Machin (1936-2020), Buckinghamshire, UK; his collection of antiquities and natural history was formed since 1948; thence by descent. -
Knightia Multiple Fossil Fish Plate
Eocene Period, circa 58-36 million years B.P.Sold for (Inc. bp): £72
An oval matrix with four small and one large Knightia alta specimens. 192 grams, 14.4 cm
From Wyoming, 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 Uinta, 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 Group of One Hundred [100] Small Pyrite (Fool's Gold) Specimens
Sold for (Inc. bp): £20
Comprising one hundred clusters of small pyrite crystals. 990 grams total, 16-29 mm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.