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LOT 2554
Large Rainbow-coloured Carborundum Crystal Display Specimen
6 1/4 in. (1 kg, 16 cm).
A large cluster of silicon carbide showing beautiful iridescence. [No Reserve]
ProvenanceFrom the private collection of Kenneth Machin (1936-2020), Buckinghamshire, UK; his collection of antiquities and natural history was formed since 1948; thence by descent.
FootnotesCarborundum rarely occurs in nature, but is commercially formed by heating carbon and silicon at very high temperatures, producing extremely strong bands of crystals.
CONDITIONTimeLine 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:
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LOT 2554
Large Rainbow-coloured Carborundum Crystal Display Specimen
Sold for (Inc. bp): £46
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Polished 'Orca' Agate
Sold for (Inc. bp): £104
A freestanding display, polished to enhance the mimicking patterns and colours of an orca. 628 grams, 12.6 cm
From Madagascar. From a Cambridgeshire, UK, collection. -
Fossil Mosasaur Jaw on Composite Matrix
Cretaceous Period, circa 145-65 million years B.P.Sold for (Inc. bp): £46
Comprising two jaw fragments with teeth, set on a composite matrix. 1.45 kg, 19 cm
From a Cambridgeshire, UK, collection. Property of a Cambridgeshire, UK, gentleman. -
Fossil Psychopyge Trilobite
Devonian Period, 408-393 million years B.P.Sold for (Inc. bp): £169
A lovely example of Psychopyge elegans showing the distinctive head spines and long nose. 222 grams, 90 mm
From a Cambridgeshire, UK, collection.