Coroņa Shaft, Josefa-Veneros Norte vein, La Collada mining area, zona minera de La Collada, Siero, Comarca Oviedo, Principality of Asturias (Asturias) Spain (1980)
Specimen size: 14 × 8.5 × 6.5 cm = 5.51” × 3.35” × 2.56” Main crystal size: 12.4 × 6.2 cm = 4.88” × 2.44”