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Skutterudite Specimen No 7B

Skutterudite Specimen No 7B

Very fine specimen of skutterudite mineral, silver crystals formed from nickel, cobalt and iron arsenide. About 70 x 60 x 30mm (2.8 x 2.4 x 1.2 inches) and weighing about 430g (15oz). One only.


Price: 9.95

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