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LOT 2570
Natural History - Historic 'Tsumeb, South West Africa' Dioptase on Calcite Crystal Specimen
2 in. (76 grams, 50 mm).
Displaying emerald-green dioptase crystals on a matrix of rhombohedral calcite with some hematite present, collection number 569, with an old Gregory, Bottley & Lloyd label. [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.
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AUCTIONS:
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LOT 2570
Natural History - Historic 'Tsumeb, South West Africa' Dioptase on Calcite Crystal Specimen
Sold for (Inc. bp): £39
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Natural History - Fossil Mosasaur 'Marine Dinosaur' Tooth on Matrix
Cretaceous Period, circa 145-65 million years B.P.Sold for (Inc. bp): £39
Showing the tooth and a good portion of the root. 306 grams, 13.7 cm
From a Cambridgeshire, UK, collection. -
![Natural History - Mixed Polished Mineral Specimen Pebble Group [100]](https://timelineauctions.com/upload/images/items/small/211396-s.jpg)
Natural History - Mixed Polished Mineral Specimen Pebble Group [100]
Sold for (Inc. bp): £13
Comprising: haematite, quartz, amethyst, aventurine, dalmatian jasper and others. 722 grams total, 15-33 mm
Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
Natural History - Historic Mineral Specimen Collection
Sold for (Inc. bp): £20
Comprising: quartz cluster, collection number 309; baryte from Mexico, collection number 66; smithsonite from Ireland, collection number 287; cluster of gypsum blades from Mexico, collection number 31; calcite, collection number 592; cockscomb baryte with galena from Castleton, Cumbria, England, collection number 302; quartz from Lake District, England, collection number 538; siltstone from Table Top Mountain, South Africa; acicular aragonite cluster. 631 grams total, 43-75 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.
