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_900x900.jpg "Natural History - Historic 'Australia' Opal Specimen Group")
_200x200.jpg "Natural History - Historic 'Australia' Opal Specimen Group")
.jpg "Natural History - Historic 'Australia' Opal Specimen Group")
LOT 2457
Natural History - Historic 'Australia' Opal Specimen Group
1/2 - 7/8 in. (6.01 grams total, 13-21 mm).
Comprising six small specimens displaying blue and green colours, collection number 218. [6, No Reserve]
ProvenanceEx Miss Rawlinson in 1908.
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.
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AUCTIONS:
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LOT 2457
Natural History - Historic 'Australia' Opal Specimen Group
Sold for (Inc. bp): £208
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Natural History - Boxed Fluorite with Hematite Mineral Specimen
Sold for (Inc. bp): £26
Comprising a cluster of large clear fluorite crystals with speckles of haematite; supplied in a labelled specimen tray. 48 grams, 48 mm
From Tri-State, U.S.A. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
Natural History - Historic Mineral Specimen Collection
Sold for (Inc. bp): £39
Comprising: hematite on amethyst from Bodmin Moor, Cornwall, England, collection number 280; citrine, collection number 326; an opened flint nodule from the Bramblings, Speen, Buckinghamshire, England, collection number 44; wulfenite from Mexico, collection number 446; garnet schist, collection number 189; orange calcite from Brazil, collection number 106; brochantite from Copiapo, Chile, collection number 393; gypsum from Sahara Desert, Libya, collection number 366; baryte from North Africa, collection number 127. 2.79 kg total, 6.7-16.6 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. Seven specimens accompanied by an original historic index file card. -
Natural History - Large Historic 'Brazil' Citrine Crystal Specimen
Sold for (Inc. bp): £72
A cut section displaying toffee-orange brown, white, and light brown colours, collection number 342. 1.03 kg, 15.5 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. Accompanied by an original historic index file card.
Citrine is also known as 'burnt amethyst', the orange colour is due to ferric iron.
