9MR96S5: Beveled cubic crystals of Fluorite, cube and dodecahedron combination. They are violet with bluish shades and a very well marked geometrical zoning of the color and are on matrix with a perimorphic growth of Quartz that partially replaced the forms of a pre-existing crystal of Calcite, now disappeared.
La Viesca Mine, Reguerín II pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (12/2001)

Specimen size: 9.7 × 7.6 × 3.8 cm = 3.82”

Main crystal size: 1.4 × 1.1 cm = 0.55”