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LOT 2779
Natural History - Amethyst Crystal Geode Segment
4 5/8 in. (704 grams, 11.8 cm).
Freestanding and cut to a triangular shape, well-formed dark purple amethyst crystals. [No Reserve]
ProvenanceFrom Brazil.
Ex Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's).
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AUCTIONS:
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Natural History - Fossil Metcanthina Trilobite
Upper Devonian Period, 419-358 million years B.P.Sold for (Inc. bp): £85
A Metacanthina barrandei trilobite showing shell structure, eyes and side antennae; on a matrix. 170 grams, 70 mm
From Hamar Laghdad Formation, Pragian, (Alnif), Morocco, North Africa. From an old Oxfordshire, UK, fossil and mineral collection. -
Natural History - Historic Mineral Specimen Collection
Sold for (Inc. bp): £52
Comprising: brown calcite, collection number 321; quartz from North Transvaal, South Africa, collection number 206; agate geode section from Brazil, collection number 57; talc from Tyrol Province, Austria, collection number 136; mounted on a display base; yellow sulphur from Mexico, collection number 73; cut marcasite nodule, collection number 163; calcite from Cirvela, Sinaloa, Mexico, collection number 249; baryte and quartz on chalcosine, collection number 389; chalcopyrite from North Transvaal, South Africa, collection number 253. 2.47 kg total, 7.2-11.9 cm
Acquired on the UK mineral and fossil market, since 1970. From the historic mineral collection of Richard Valentine Cain, London, UK, thence by descent. Each specimen accompanied by an original historic index file card. -
Natural History - Historic 'Kirgiz, Russia' Stibnite Mineral Specimen
Sold for (Inc. bp): £20
Displaying excellent crystal formations, collection number 434; bought from Gregory, Bottley & Lloyd for £25.00 in the 1980s. 116 grams, 68 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. Accompanied by an original historic index file card.