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LOT 1795
Natural History - Mocha Stone (Dendritic Limestone) Tile Group [3]
3 3/4 - 5 1/8 in. (342 grams total, 9.6-13 cm).
Superb examples exhibiting finely formed dendrites of manganese oxide. [3, No Reserve]
ProvenanceFrom India.
Ex 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 1795
Natural History - Mocha Stone (Dendritic Limestone) Tile Group [3]
Sold for (Inc. bp): £26
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Natural History - Historic Galena Crystal Formation
Sold for (Inc. bp): £7
The tabular crystals on a matrix with siderite. 70 grams, 95 mm
From Nenthead, Cumberland, UK. Collected in person in 1965. 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. -
Natural History - Fossil Mosasaur Vertebra, Ribs and Jaw
Cretaceous Period, circa 145-65 million years B.P.Estimate: £400 - 600 (+bp*)
Opening Bid: £200
Comprising various bone and rib fragments, a large vertebra and jaw fragments with teeth from Mosasaur prognathodon sp.; on a sandstone matrix with applied plaster reinforcement. 12.8 kg, 46 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. -
Natural History - Historic Mixed Mineral Collection
Sold for (Inc. bp): £20
Comprising: four native copper specimens; bornite specimens with mainly brown and blue iridescence; azurite; coprite on matrix; a section of petrified wood; a drilled calcite core; a yellow calcite specimen and a polished agate egg with a stand. 1.24 kg total, 3.4-11 cm
Collected in person in 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.
