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![Natural History - Brown Calcite Specimen Group [100]](https://timelineauctions.com/zoom_images/zoomthumb/2/0/208003_900x900.jpg "Natural History - Brown Calcite Specimen Group [100]")
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![Natural History - Brown Calcite Specimen Group [100]](https://timelineauctions.com/upload/images/items/208003.jpg "Natural History - Brown Calcite Specimen Group [100]")
LOT 1793
Natural History - Brown Calcite Specimen Group [100]
3/4 - 1 3/8 in. (1.12 kg total, 20-35 mm).
In various sizes, both bags labelled. [100, No Reserve]
ProvenanceFrom Mexico.
Ex 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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Natural History - Historic Large Pyrite Crystal Formation
Sold for (Inc. bp): £59
The large outer crystals enclosing a dense cluster of small crystals forming a 'flower'. 285 grams, 90 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. -
Natural History - Historic Wolfrem Mineral Specimen
Sold for (Inc. bp): £26
Comprising dark tabular crystals. 293 grams, 69 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. -
Natural History - Megalodon Giant Shark Fossil Tooth
Lower Palaeolithic Period, circa 400,000 B.P.Sold for (Inc. bp): £260
Carcharocles megalodon tooth with some good enamel. 100 grams, 78 mm
From Florida, USA. Collected between 1930 and 1960. From the collection of the palaeontologist R Gledhill.
