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_900x900.jpg "Historic Opal Mineral Specimen")
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_900x900.jpg "Historic Opal Mineral Specimen")
_200x200.jpg "Historic Opal Mineral Specimen")
_900x900.jpg "Historic Opal Mineral Specimen")
_200x200.jpg "Historic Opal Mineral Specimen")
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LOT 2661
Historic Opal Mineral Specimen
2 1/4 in. (258 grams, 59 mm).
A specimen of pale blue opal, collection number 333. [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.
TimeLine Auctions follows a vetting process to ensure the authenticity and legality of all items, reinforcing our commitment to integrity and responsible trading. Each antiquity, antique, and coin lot undergoes thorough examination by a vetting committee of at least ten external specialists, professional trade association members, scientists, and archaeologists: Our Vetting Process
AUCTIONS:
TimeLine is a leading auction house specialising in antiquities, ancient art, collectables, natural history, coins, medals, and books. Our auctions offer museums, collectors, historians, and enthusiasts the opportunity to acquire unique and historically significant pieces.
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Fossil Platyostoma Gastropod on Matrix
Silurian Period, circa 430 million years B.P.Sold for (Inc. bp): £124
Platyostoma niagarensis set on an irregular matrix. 242 grams, 92 mm
Acquired Hunstanton, UK. 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. -
Coloured Quartz Crystal Nodule
Sold for (Inc. bp): £72
An opened irregular nodule, the internal cavity filled with dyed green quartz crystals. 866 grams total, 11.1-12.2 cm
From a Cambridgeshire, UK, collection. -
Cut and Polished Septarian Nodule Slice
Sold for (Inc. bp): £13
Displaying the internal structure filled with yellow and brown aragonite crystals. 232 grams, 13 cm
From Utah, USA. Acquired from Mr Parkinson, Southport, UK, 16 October 2001. 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.
