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LOT 2758
Natural History - Historic 'Spencer Opal Mine, Idaho, U.S.A.' Opal Mineral Specimen
3 3/8 in. (163 grams, 87 mm).
A milk-opal variety displaying iridescent white colour; purchased for £65.00 from Gregory, Bottley & Lloyd, in the 1980s, with an old 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 2758
Natural History - Historic 'Spencer Opal Mine, Idaho, U.S.A.' Opal Mineral Specimen
Sold for (Inc. bp): £390
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Natural History - Historic Collection of Mineral Specimens
Sold for (Inc. bp): £13
Comprising: dioptase on mottramite from Brazil, collection number 118; granite from adjacent to Ruislip Road, Greenford, Middlesex, England, collection number 467; chalcopyrite from Messini Mine, North Transvaal, South Africa, collection number 207; bornite of chalcopyrite from Massini Mine, North Transvaal, South Africa, collection number 210; quartz from England, collection number 133; Blue John from Derbyshire, England, collection number 148; apatite in calcite from Canada, collection number 388; fluorite in biotite, collection number 103; pyrite in quartz from Darwin, California, USA, collection number 422. 988 grams total, 32-91 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. Each specimen accompanied by an original historic index file card. -
Natural History - Historic 'Tsumeb, South West Africa' Mimetite on Tennantite Crystal Specimen
Sold for (Inc. bp): £39
Small yellowish mimetite crystals on ash-grey tennantite matrix, collection number 595. 28.4 grams, 39 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 and an old Gregory, Bottley & Lloyd label. -
Natural History - Historic 'Brazil' Azurite with Malachite Mineral Specimen
Sold for (Inc. bp): £26
Featuring variously coloured azurite crystals and small fibrous malachite crystals, collection number 272. 305 grams, 93 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.