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![Natural History - Large Cut and Polished Dendritic Opal Mineral Specimen Group [10]](https://timelineauctions.com/zoom_images/zoomthumb/2/0/207986_900x900.jpg "Natural History - Large Cut and Polished Dendritic Opal Mineral Specimen Group [10]")
![Natural History - Large Cut and Polished Dendritic Opal Mineral Specimen Group [10]](https://timelineauctions.com/zoom_images/zoommap/2/0/207986_200x200.jpg "Natural History - Large Cut and Polished Dendritic Opal Mineral Specimen Group [10]")
![Natural History - Large Cut and Polished Dendritic Opal Mineral Specimen Group [10]](https://timelineauctions.com/upload/images/items/207986.jpg "Natural History - Large Cut and Polished Dendritic Opal Mineral Specimen Group [10]")
LOT 2258
Natural History - Large Cut and Polished Dendritic Opal Mineral Specimen Group [10]
2 1/8 - 3 3/4 in. (1.62 kg total, 56-96 mm).
Each with at least one cut face showing the fine dendritic formations. [10, 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:
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.
LOT 2258
Natural History - Large Cut and Polished Dendritic Opal Mineral Specimen Group [10]
Sold for (Inc. bp): £5
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Natural History - Large Fossil Clavilithes Gastropod
Eocene Period, circa 40 million years B.P.Sold for (Inc. bp): £52
Clavilithes macrospira showing a good structure of the shell; supplied in a cardboard specimen tray. 263 grams, 13.5 cm
Collected between 1930 and 1960. From the collection of the palaeontologist R Gledhill. -
Natural History - Historic Azurite Crystal Specimen
Sold for (Inc. bp): £13
The dark prismatic crystals on a matrix. 48 grams, 60 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 - Brown Calcite Specimen Group [100]](https://timelineauctions.com/upload/images/items/small/208003-s.jpg)
Natural History - Brown Calcite Specimen Group [100]
Sold for (Inc. bp): £13
In various sizes, both bags labelled. 1.12 kg total, 20-35 mm
From Mexico. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's).
