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LOT 2248
Natural History - Historic Cronstedtite Mineral Specimen
2 in. (41 grams, 57 mm including box).
Comprising a heterogenic mass of dark brown crystals with white quartz; supplied in a display box. [No Reserve]
ProvenanceCollected in person from various parts of the world mainly between 1957-1966.
From the private mineral collection of Stephen Atkinson, Harpenden, UK.
Accompanied by a copy of a letter from the vendor giving details of him collecting these minerals throughout his life.
Cronstedtite is an uncommon mineral that occurs as a hydrothermal product in ore veins.
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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Natural History - Amber with Insect Inclusions
Oligocene Period, circa 45 million years B.P.Sold for (Inc. bp): £33
Polished dark-coloured amber with insect inclusions. 1.85 grams, 26 mm
From a North American collection. Property of an East Sussex, UK, gentleman. -
Natural History - Phylloceras Fossil Ammonite Group
Middle Cretaceous Period, circa 150 million years B.P.Sold for (Inc. bp): £59
Comprising three polished Phylloceras velledae ammonites. 293 grams total, 54-62 mm
From Madagascar. Collected between 1930 and 1960. From the collection of the palaeontologist R Gledhill. -
Natural History - Historic Graphite Mineral Specimen
Sold for (Inc. bp): £13
Comprising a number of steel grey masses on a host rock; supplied in a display box. 183 grams total, 59 mm
Collected in person from various parts of the world mainly between 1957-1966. From the private mineral collection of Stephen Atkinson, Harpenden, UK. Accompanied by a copy of a letter from the vendor giving details of him collecting these minerals throughout his life.
