Mimetite with Goethite

Potosí Mine, Santo Domingo (Francisco Portillo), Santa Eulalia District, Municipio Aquiles Serdán, Chihuahua  Mexico

Specimen size: 3.9 × 2.9 × 2.3 cm = 1.54” × 1.14” × 0.91”
Main crystal size: 0.6 × 0.5 cm = 0.24” × 0.20”