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LOT 2593
Historic 'Australia' Boulder Opal Mineral Specimen
1 1/2 in. (34.8 grams, 39 mm).
The matrix showing pale sky-blue opal, collection number 425, with an old James Walker 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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Cornuproetus Fossil Trilobite in Matrix
Devonian Period, circa 416-359 million years B.P.Sold for (Inc. bp): £72
Displaying the striking swept-back genal spines. 131 grams, 57 mm
From a Cambridgeshire, UK, collection. -
Phacops Fossil Trilobite in Matrix
Devonian Period, circa 444-439 million years B.P.Sold for (Inc. bp): £39
The aquatic arthropod showing good detail to the carapace, resting on an irregular matrix. 158 grams, 74 mm
From a Cambridgeshire, UK, collection. -
Large Quantity of Polished Green Tourmaline Crystals
Sold for (Inc. bp): £26
Comprising variously shaped dark-coloured polished pebbles. 505 grams total, 6-11 mm
Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.