Vivianite

Morococala Mine, Santa Fe Mining Distric, Dalence Province, Oruro Department  Bolivia

Specimen size: 3.2 × 2.1 × 1.1 cm = 1.26” × 0.83” × 0.43”
Main crystal size: 2.6 × 1.1 cm = 1.02” × 0.43”