Volborthite with Brochantite

Milpillas Mine, Cuitaca, Municipio Santa Cruz, Sonora  Mexico (2015)

Specimen size: 3.1 × 1.9 × 1.5 cm = 1.22” × 0.75” × 0.59”
Main crystal size: 1.8 × 0.9 cm = 0.71” × 0.35”