Calcite with Dolomite

La Florida mining area, Herrería-Valdáliga-Rionansa, Comarca Costa Occidental/Saja-Nansa, Cantabria  Spain (±2007)

Specimen size: 9.8 × 8 × 4.6 cm = 3.86” × 3.15” × 1.81”
Main crystal size: 3.4 × 2.8 cm = 1.34” × 1.10”