Sphalerite, Galena and Calcite.1

Sphalerite, Galena and Calcite.1

Nantiago mine, Central wales Orefield. Sphalerite and Galena filling crevices in fractured Calcite. The Sphalerite is a coarse aggregate with a very deep red colouration, and the Galena is mostly in the form of cubo-octahedral crystals. The ratio is approximately 90% to 10% in favour of the Sphalerite.