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LOT 2067
Natural History - Large Blue Calcite Mineral Specimen Group [20]
2 1/2 - 3 5/8 in. (3.07 kg total, 65-92 mm).
Comprising large irregular chunks of light blue calcite. [20, No Reserve]
ProvenanceEx Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's).
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 2067
Natural History - Large Blue Calcite Mineral Specimen Group [20]
Sold for (Inc. bp): £7
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Natural History - Oxynotum Zone Fossil Cluster
Jurassic Period, circa 170 million years B.P.Sold for (Inc. bp): £33
The matrix set with a montage of ammonites, bivalves and a belemnite. 66 grams, 50 mm
From Tuffley, Gloucestershire, UK. From a Gloucestershire, UK, collection. -
Natural History - Polished Fossil Ammonite
Middle Cretaceous Period, circa 150 million years B.P.Sold for (Inc. bp): £20
Cleoniceras sp. ammonite showing the suture patterns. 110 grams, 77 mm
From Madagascar. From a Lincolnshire, UK, collection. -
Natural History - White Pecopteris Fern Specimen Group
Devonian Period, circa 417-354 million years B.P.Sold for (Inc. bp): £13
Five Pecopteris sp. fern specimens on irregular matrices 3.04 kg total, 15-25 cm
From St. Clair, Pennsylvania, USA. Acquired during the 1980s. From the Pradi Collection, Boston, USA.
These fern fossils are very common from coal mining areas around the world. However, it is the unique state of preservation of the white on the black shale that gives the St. Clair ferns their beauty and rarity. This combination is not found anywhere else in the world.
