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![Natural History - Large Dravite Tourmaline Crystal Specimen Group [10]](https://timelineauctions.com/zoom_images/zoomthumb/2/0/207987_900x900.jpg "Natural History - Large Dravite Tourmaline Crystal Specimen Group [10]")
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![Natural History - Large Dravite Tourmaline Crystal Specimen Group [10]](https://timelineauctions.com/upload/images/items/207987.jpg "Natural History - Large Dravite Tourmaline Crystal Specimen Group [10]")
LOT 1894
Natural History - Large Dravite Tourmaline Crystal Specimen Group [10]
2 3/8 - 4 1/2 in. (2.8 kg total, 6.1-11.5 cm).
Comprising variously sized prismatic crystals in mica. [10, No Reserve]
ProvenanceEx Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's).
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AUCTIONS:
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LOT 1894
Natural History - Large Dravite Tourmaline Crystal Specimen Group [10]
Sold for (Inc. bp): £13
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![Natural History - Mixed Cut and Polished Agate Slice Collection [10]](https://timelineauctions.com/upload/images/items/small/208004-s.jpg)
Natural History - Mixed Cut and Polished Agate Slice Collection [10]
Sold for (Inc. bp): £26
Each with attractive banding, some with the internal cavity filled with crystals; some with enhanced colour. 1.06 kg total, 9.8-12 cm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
Natural History - Historic Cuprite Crystal Formation
Sold for (Inc. bp): £98
Comprising a mass of octahedral black to dark red crystals. 64 grams, 45 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 - Ruby in Zoisite Specimen Group [100]](https://timelineauctions.com/upload/images/items/small/208015-s.jpg)
Natural History - Ruby in Zoisite Specimen Group [100]
Sold for (Inc. bp): £7
Comprising variously sized irregular chunks. 1.2 kg total, 20-37 mm
From Tanzania. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's).
