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LOT 1809
Natural History - Desert Rose Specimen Group
1/2 - 1 1/4 in. (518 grams total, 13-31 mm).
A group of 100 'Desert Rose' crystalline gypsum specimens with sand grain inclusions, mostly of single spheroid form, showing the crystal plate structure to advantage. [100, No Reserve]
ProvenanceMineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's).
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AUCTIONS:
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Natural History - Large Kalahari Desert Wind Stone
Sold for (Inc. bp): £7
A large wind-rounded pebble with its individual hollowed out 'nest', from the Kalahari Desert region, western Africa; set provided with a hessian draw-ribbon pouch. 580 grams total, 85 mm
From the Kalahari Desert. Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
Natural History - Cut and Polished Agate Crystal Geode Slice Group
Sold for (Inc. bp): £39
A group of 15 agate geode slices of various sizes and displaying various colours, polished to both faces. 836 grams total, 8.6-10.1 cm
Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
Natural History - Fossil African 'T-Rex' Dinosaur Tooth
Cretaceous Period, 145-93 million years B.P.Sold for (Inc. bp): £416
A large Carcharodontosaurus saharicus (African T-rex) tooth, with remains of enamelling and serration. 21.3 grams, 66 mm
From the Tegana formation of the Sahara Desert, Morocco, North Africa. Acquired during the 1980s. From an old Lincolnshire, UK, collection.
The Carcharodontosaurus saharicus was one of the largest predators of all time (larger than its distant North American T-Rex cousin) and is related to Allosaurus and the South American Giganotosaurus.
