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LOT 1975
Natural History - Large Historic Citrine Crystal Specimen
6 1/4 in. (2.69 kg, 16 cm).
A substantial section of a natural geode with richly coloured citrine crystals to the inner face. [No Reserve]
ProvenanceEssex gallery, early 2000s.
CONDITIONTimeLine 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 1975
Natural History - Large Historic Citrine Crystal Specimen
Sold for (Inc. bp): £33
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Natural History - Amethyst Crystal Specimen Group
Sold for (Inc. bp): £13
A group of ten amethyst crystal specimens, each held in a white card collector's tray labelled 'Rio Grande do Sul, Brazil'. 587 grams total, 46-62 mm
From Rio Grande do Sul, Brazil. Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
Natural History - Fossil Wood Slice
Miocene Period, circa 20 million years B.P.Sold for (Inc. bp): £26
A polished fossil tropical hardwood slice section displaying natural bark and with one polished end to reveal the inner wood detail. 739 grams, 21.5 cm
From Genteng Formation, Indonesia. From an old Oxfordshire, UK, fossil and mineral collection. -
Natural History - Fossil African 'T-rex' Dinosaur Tooth
Cretaceous Period, 145-93 million years B.P.Sold for (Inc. bp): £390
A large Carcharodontosaurus saharicus (African T-rex) tooth with enamel and visible serrations. 13.8 grams, 55 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.
