La Viesca Mine, Coquera de la Calcita pocket, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain (01/2004)
Specimen size: 6 × 4 × 3.8 cm = 2.36” × 1.57” × 1.50” Main crystal size: 2 × 1.5 cm = 0.79” × 0.59”