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Details
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]
Provenance
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.
Footnotes
Carborundum rarely occurs in nature, but is commercially formed by heating carbon and silicon at very high temperatures, producing extremely strong bands of crystals.
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LOT 2554
Large Rainbow-coloured Carborundum Crystal Display Specimen
Sold for (Inc. bp): £46
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