MRR68CD3: Deep blue cubic Fluorite crystals, translucent, with smooth faces, and beveled by the rhombododecahedron that presents a rough and a much more intense, almost blackish coloration, which is distinctive of the specimens from the Josefa-Veneros vein in La Collada.
On a matrix formed by scalenohedral crystals of white Calcite and small Quartz crystals.
A classic specimen from this locality that is acquiring a certain mythical halo with the passage of time.
Josefa-Veneros vein, 75 level, Coroña de Arriba-La Collada, La Collada mining area, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain

Specimen size: 4.5 × 3.3 × 2.3 cm = 1.77” × 1.30” × 0.91”

Main crystal size: 0.4 × 0.4 cm = 0.16” × 0.16”