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![Natural History - Large Dravite Tourmaline Crystal Specimen Group [10]](https://timelineauctions.com/zoom_images/zoomthumb/2/1/211437_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/211437.jpg "Natural History - Large Dravite Tourmaline Crystal Specimen Group [10]")
LOT 2872
Natural History - Large Dravite Tourmaline Crystal Specimen Group [10]
41 - 67 mm (1.03 kg total, 40-68 mm).
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:
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 2872
Natural History - Large Dravite Tourmaline Crystal Specimen Group [10]
Sold for (Inc. bp): £26
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![Natural History - Large Brown Obsidian Volcanic Glass Specimen Group [34]](https://timelineauctions.com/upload/images/items/small/207974-s(1).jpg)
Natural History - Large Brown Obsidian Volcanic Glass Specimen Group [34]
Sold for (Inc. bp): £13
Comprising variously sized, brown to dark brown coloured chunks. 1.43 kg total, 38-53 mm
Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
Natural History - Historic 'Laurium, Greece' Rosasite with Azurite and Smithsonite Mineral Specimen
Sold for (Inc. bp): £33
A complex specimen displaying botryoidal smithsonite coated with mamillary rosasite with a sprinkling of azurite crystals, collection number 494; with an old Gregory, Bottley & Lloyd label. 193 grams, 99 mm
Acquired on the UK mineral and fossil market, since 1970. From the historic mineral collection of Richard Valentine Cain, London, UK, thence by descent. Accompanied by an original historic index file card. -
Natural History - Composite Fossil Mosasaur 'Marine Dinosaur' Jaw Pair
Cretaceous Period, circa 145-65 million years B.P.Sold for (Inc. bp): £130
Comprising a pair of Mosasaur prognathodon jaw section, each with three teeth. 1.16 kg, 19 cm
From a Cambridgeshire, UK, collection.
The Mosasaur is an extinct, large marine reptile dinosaur with a snake-like body, long snout and paddle-like limbs. found worldwide, they competed with other well-known sea predators of the Late Cretaceous, such as plesiosaurs and ichthyosaurs, for food, existing primarily on a diet of ammonoids, cuttlefish and fish.
