Vanadinite with Calcite

San Carlos Mine (Apex Mine), San Carlos, Municipio Manuel Benavides, Chihuahua  Mexico (±1955)

Specimen size: 7.8 × 6.7 × 3.3 cm = 3.07” × 2.64” × 1.30”
Main crystal size: 0.4 × 0.2 cm = 0.16” × 0.08”