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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:
TimeLine is a leading auction house specialising in antiquities, ancient art, collectables, natural history, coins, medals, and books. Our auctions offer museums, collectors, historians, and enthusiasts the opportunity to acquire unique and historically significant pieces.
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Natural History - Complete Fossil Ammonite
Jurassic Period, 199-145 million years B.P.Sold for (Inc. bp): £98
Perisphinctes sp. with much of the original shell material remaining, in old white card tray with old label reading: 'AMMONITE Perisphinctes sp., Mid Jurassic Age (approx. 170 million years old), Madagascar'. 120 grams, 76 mm
From Madagascar. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
Natural History - Historic Azurite Crystal Formation
Sold for (Inc. bp): £20
Comprising interconnected clusters of dark blue tabular crystals. 39.50 grams, 51 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 Vanadianite with Psilomelane Crystal Specimen
Sold for (Inc. bp): £13
Comprising a cluster of red-orange vanadinite crystals on botryoidal psilomelane. 45 grams, 62 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.
