Phosphophyllite

Huayllani Mine, Huayllani (Infiernillos), Machacamarca District, Cornelio Saavedra Province, Potosí Department  Bolivia (12/2009)

Specimen size: 4 × 3.4 × 1.7 cm = 1.57” × 1.34” × 0.67”
Main crystal size: 1.4 × 0.5 cm = 0.55” × 0.20”