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.

CONDITION

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AUCTIONS:

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LOT 2554