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_900x900.jpg "Historic 'Australia' Boulder Opal Mineral Specimen")
_200x200.jpg "Historic 'Australia' Boulder Opal Mineral Specimen")
_900x900.jpg "Historic 'Australia' Boulder Opal Mineral Specimen")
_200x200.jpg "Historic 'Australia' Boulder Opal Mineral Specimen")
.jpg "Historic 'Australia' Boulder Opal Mineral Specimen")
.jpg "Historic 'Australia' Boulder Opal Mineral Specimen")
LOT 2750
Historic 'Australia' Boulder Opal Mineral Specimen
1 5/8 in. (47.4 grams, 43 mm).
Chocolate-brown matrix with vibrant opal inclusions, collection number 411. [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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Mixed Polished Agate Bead Necklace
Sold for (Inc. bp): £52
A long necklace composed of multicoloured oblate and facetted agate beads with small gold-coloured metal spacers in between; Indian, also known as beggar beads. 156 grams, 104 cm
Property of a Stockport, UK, collector. -
Tschermigite Mineral Specimen
Sold for (Inc. bp): £98
Comprising deep purple pyramidal crystals on a matrix; laboratory grown. 34.8 grams, 47 mm
Acquired from the Bakewell Show, UK, 7 October 2000. 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. -
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.
