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LOT 2159
Natural History - Natural Australian Opal Specimen
3/4 in. (0.75 grams, 11.99 mm).
Displaying a good play of colour on milky-white background, tag with handwritten information: 'JOAN'S OPAL / PURCHASED / SYDNEY 1983 / IT IS A V. GOOD / ANDDAMOOKA CRYSTAL'. [No Reserve]
ProvenancePurchased Sydney, Australia, in 1983.
From a Norfolk, UK, collection.
Property of an East Sussex, UK, gentleman.
Accompanied by a pouch and information tag.
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AUCTIONS:
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Natural History - Fossil African 'T-Rex' Tooth
Cretaceous Period, circa 145-93 million years B.P.Sold for (Inc. bp): £59
With some serration and good enamel, from Carcharodontosaurus saharicus; repaired. 14.9 grams, 49 mm
From the Tegana formation of the Sahara Desert, Morocco, North Africa. Acquired during 1980s. From an old Lincolnshire, UK, collection.
The Carcharodontosaurus saharicus was one of the largest predators (larger than its distant North American T-Rex cousin) of all time and is also related to Allosaurus and the South American Giganotosaurus. -
Natural History - A Collection of Fossils
Devonian to Jurassic Period, circa 417-145 million years B.P.Sold for (Inc. bp): £20
Mixed group including Perisphinctids indogermanus ammonite, Goniatite and Orthoceras. 584 grams total, 7.4-15.5 cm
From a collection acquired on the UK art market from various auction houses and collections mostly before 2000. From an important Cambridgeshire estate; thence by descent. -
![Natural History - Pyrite Chunk Fools Gold Specimen Group [100]](https://timelineauctions.com/upload/images/items/small/211360-s.jpg)
Natural History - Pyrite Chunk 'Fools Gold' Specimen Group [100]
Sold for (Inc. bp): £13
Comprising a number of specimens with metallic lustre. 1.3 kg total, 20-35 mm
Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's).
