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LOT 2511
Large Natural Raw Malachite Specimen
5 1/8 in. (1.75 kg, 13.1 cm).
Botryoidal specimen showing characteristic banding. [No Reserve]
ProvenanceFrom the Democratic Republic of Congo, Central Africa.
Ex Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.
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AUCTIONS:
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Large Cut and Polished Yellow Agate Crystal Geode Slice Artefact Base
Sold for (Inc. bp): £26
Oval section of light brown agate geode showing some quartz crystal formations. 824 grams, 18.7 cm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
Fossil Douvilleiceras Mammilatum Ammonite
Cretaceous Period, circa 113-100 million years B.P.Sold for (Inc. bp): £26
Showing prominent ribbing and some iridescence. 167 grams, 71 mm
From the private collection of Kenneth Machin (1936-2020), Buckinghamshire, UK; his collection of antiquities and natural history was formed since 1948; thence by descent. -
Bismuth Crystal Display Formation
Sold for (Inc. bp): £20
Cluster of hopper crystals exhibiting a stairstep crystal structure and iridescent colours. 15 grams, 33 mm
From a Cambridgeshire, UK, collection.