RM14L3: Well formed Cinnabar crystals in a vug, with Quartz and Dolomite. The Folch label advises about the presence of Calomel (Calomelanos) as “small crystals inside the geode” with brown yellowish tones, but after analyses it has been demonstrated that it is Dolomite.
San Teodoro shaft, Almadén Mine, Almadén, Comarca Valle de Alcudia, Ciudad Real, Castilla-La Mancha  Spain (±1979)

Specimen size: 4 × 3.8 × 2.5 cm = 1.57” × 1.50” × 0.98”

Main crystal size: 0.3 × 0.2 cm = 0.12” × 0.08”