Natural History - Historic 'Tsumeb, South West Africa' Dioptase Crystal Specimen

1 3/8 in. (24.9 grams, 35 mm).

With small, well-formed emerald-green, pinkish white and turquoise green crystals, collection number 518. [No Reserve]

Provenance

Acquired 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 and an old Gregory, Bottley & Lloyd label.

CONDITION

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AUCTIONS:

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LOT 2653