Natural History - Historic 'Cornwall' Bournonite and Arsenopyrite or Sphalerite Mineral Specimen

2 3/8 in. (135 grams, 62 mm).

Displaying the characteristic 'cog-wheel' shaped twins of bournonite, collection number 420. [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 2468