These are galena crystals that have linarite partially encasing them. The galena is altering to anglesite and has anglesite coating it. There is some green brochantite on the galena as well. The locality is the Sunshine #3 Adit, Blanchard Mine, Bingham, Socorro County, New Mexico, USA. The overall dimensions are 7.5 cm wide by 4.5 cm tall and 3.1 cm front to back. The galena crystals are up to 1.6 cm on an edge. This piece is in good condition.