RE36V5: Transparent cubic crystal with clear sky blue color, echeloned growths on the edges and recrystallized on the back side. The sample resembles, due to its aspect, some of the recent pieces from La Viesca, but it is earlier than the works at this place and it is from La Collada.
The sample is with a label that we'll send to the buyer.
Josefa-Veneros vein, 75 level, Coroña de Arriba-La Collada, La Collada mining area, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (±1973)

Specimen size: 10.5 × 8.6 × 5.4 cm = 4.13” × 3.39” × 2.13”