Vanadinite

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

Specimen size: 6.3 × 4.9 × 3.4 cm = 2.48” × 1.93” × 1.34”
Main crystal size: 0.3 × 0.1 cm = 0.12” × 0.04”