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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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Large Rainbow-coloured Carborundum Crystal Display Specimen
Sold for (Inc. bp): £46
A large cluster of silicon carbide showing beautiful iridescence. 1 kg, 16 cm
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.
Carborundum rarely occurs in nature, but is commercially formed by heating carbon and silicon at very high temperatures, producing extremely strong bands of crystals. -
Fossil Woolly Mammoth Leg Bone Section
Pleistocene Period, 2.6 million-11,700 years B.P.Sold for (Inc. bp): £33
A large section of Mammuthus primigenius leg bone; repaired. 1.05 kg, 19 cm
From the North Sea. Acquired on the UK art market before 2000. Property of an Essex, UK, gentleman. -
Fossil Sapindopsis Plant Leaves
Cretaceous Period, circa 145-66 million years B.P.Sold for (Inc. bp): £20
Comprising two joined leaves from an extinct genus Sapindopsis, related to modern Platanaceae family. 426 grams, 203 mm
From a Cambridgeshire, UK, collection.