Tavagnascoite from Espérance tunnel, Tavagnasco Mines, Tavagnasco, Canavese District, Torino Province, Piedmont, Italy

Tavagnascoite is a new secondary bismuth mineral, forms white crusts and tiny fibrous aggregates on sulfide matrix.

The specimen size 1.4cm x 0.9cm x 0.7cm 

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I’m a professional geologist/mineralogist, with analytical background. Many of my minerals were checked by x-ray diffraction and energy dispersive spectrometry. Some of my specimens comes with the documentation of the analysises.

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