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LOT 2592
Natural History - Historic Kolwesite and Rosasite on Hemimorphite Mineral Specimen
2 1/8 in. (83 grams, 55 mm).
With chocolate-brown, brownish and greenish grey crystals, possibly from Mexico, collection number 149. [No Reserve]
ProvenanceAcquired 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 and a letter from the British Museum (Natural History) dated 1983 confirming the specimen to be kolwesite.
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AUCTIONS:
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LOT 2592
Natural History - Historic Kolwesite and Rosasite on Hemimorphite Mineral Specimen
Sold for (Inc. bp): £33
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Natural History - Historic Collection of Mineral Specimens
Sold for (Inc. bp): £7
Comprising: muscovite and quartz vein from North Transvaal, South Africa, collection number 222; quartz rosette, collection number 293; specular hematite from West Cumbria, England, collection number 370; bornite from Mexico, collection number 43; rose quartz from Minais Gerais, Brazil, collection number 412; chalcopyrite from North Transvaal, South Africa, collection number 13; rose quartz from North Transvaal, South Africa, collection number 205; diorite from England, collection number 185; chalcopyrite in baryte from North Transvaal, South Africa, collection number 237. 571 grams total, 39-88 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. Eight specimens accompanied by an original historic index file card. -
Natural History - Mosasaur Jaw Section
Cretaceous Period, circa 145-65 million years B.P.Sold for (Inc. bp): £59
From the lower jaw, displaying two teeth from Prognathodon sp.; repaired. 89 grams, 87 mm
From the phosphate mine region, Khouribga, Morocco, North Africa. Acquired 1950s-1960s. From an old Bristol, UK, palaeontological 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 Mineral Specimen Collection
Sold for (Inc. bp): £7
Comprising: brown apache calcite, collection number 150; tincalconite from Kramer district, Kern County, California, USA, collection number 259; two agate and quartz slices from Brazil, collection number 353; gypsum in desert rose form from Mexico, collection number 31; epidote on orthoclase from USA, collection number 298; quartz from Derbyshire, England, collection number 416; apophyllite from Poona, India, collection number 386; a cut and polished slice of agate from Brazil, collection number 334. 311 grams total, 42-63 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. Seven specimens accompanied by an original historic index file card.