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![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).
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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 - 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. -
Natural History - British Polished Fossil Ammonite
Jurassic Period, circa 165-200 million years B.P.Sold for (Inc. bp): £20
Asteroceras sp. cut and polished to expose the dividing gas chambers. 119 grams, 86 mm
From Scunthorpe, UK. From a Lincolnshire, UK, collection. -
Natural History - Fossil Orthoceras on Matrix Group
Devonian Period, circa 417-354 million years B.P.Sold for (Inc. bp): £7
Comprising three examples on irregular stone matrices. 686 grams total, 9.9-10.7 cm
From a Cambridgeshire, UK, collection.
