£60 - £100
A mesmerising, large, BISMUTH compound crystal, dimensions: 52 x 30 x 30 mm, weight: 82 g. In a presentation case. Bismuth is a natural metal, with its oxidised state giving iridescent hues. It is the least conductive metal known! It is used in cosmetics, pigment manufacture and in pharmaceuticals for treating diarrhoea.
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