Pyromorphite

Sherman Mine, Burke, Coeur d'Alene District, Shoshone County, Idaho  USA

Specimen size: 8.5 × 5.5 × 4.4 cm = 3.35” × 2.17” × 1.73”
Main crystal size: 0.8 × 0.3 cm = 0.31” × 0.12”