Boleite

Mammoth-St. Anthony Mine, St. Anthony deposit, Tiger, Mammoth District, Pinal County, Arizona  USA

Specimen size: 1.2 × 1.1 × 1.3 cm = 0.47” × 0.43” × 0.51”
Main crystal size: 0.8 × 0.8 cm = 0.31” × 0.31”