Fluorite with epimorphic Quartz after Calcite

La Viesca Mine, Las Monjas pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo  Spain

Specimen size: 10.4 × 6.6 × 3.6 cm = 4.09” × 2.60” × 1.42”
Main crystal size: 2.8 × 2 cm = 1.10” × 0.79”