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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:
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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 - Fossil Gingko Leaf
Carboniferous Period, 359-299 million years B.P.Sold for (Inc. bp): £72
The light-coloured specimen on a matrix. 103 grams, 72 mm
From North Dakota, U.S.A. From a Lincolnshire, UK, collection. -
Natural History - Large T-Rex Tooth with Root Replica
Sold for (Inc. bp): £85
A museum-quality reproduction of a late Cretaceous Tyrannosaurus Rex tooth with root. 388 grams, 32 cm
From an old Lincolnshire, UK, collection. -
Natural History - Historic Magnetite Crystal Formation
Sold for (Inc. bp): £20
Comprising a cluster of prismatic crystals. 103 grams, 67 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.
