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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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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).
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 1894
Natural History - Large Dravite Tourmaline Crystal Specimen Group [10]
Sold for (Inc. bp): £13
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Natural History - Polished Copal with Insects
Over 3 million years B.P.Sold for (Inc. bp): £33
Containing several insects and other inclusions. 82 grams, 12.8 cm
From Madagascar. Acquired 1950s-1960s. From an old Bristol, UK, palaeontological collection. -
![Natural History - Large Blue Calcite Mineral Specimen Group [20]](https://timelineauctions.com/upload/images/items/small/207965-s.jpg)
Natural History - Large Blue Calcite Mineral Specimen Group [20]
Sold for (Inc. bp): £7
Comprising large irregular chunks of light blue calcite. 3.07 kg total, 65-92 mm
Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
Natural History - Historic Azurite on Malachite Mineral Specimen
Sold for (Inc. bp): £39
Comprising dark green malachite with tabular deep blue azurite crystals. 30 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.
