
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Bismuthinite, La Grange mine, Meymac, Corrèze, France. In a quartz gangue 4x3.5x1.5cm a mixture of pyrite, an iron sulphide, and bismuthinite, a bismuth sulphide of a more metallic grey colour. The presence of meymacite, a brown amorphous wolfram oxide, is likely, but needs checking!