4R11: A druse of thin tabular Barite crystals with very well defined faces and edges, good transparency and luster and an intense sky-blue color, with small scalenohedral Calcite crystals at the rear of the piece.
Moscona Mine, El Llano, Solís, Corvera de Asturias, Comarca Avilés, Principality of Asturias (Asturias)  Spain (1994)

Specimen size: 6.8 × 5.0 cm = 2.68” × 1.97”

Main crystal size: 0.6 × 0.6 cm = 0.24” × 0.24”