Description: Tyrolite Delfina Mine (Alda mine; Minona), Hoyos de Alda, Ortiguero, Prado, Cabrales, Asturias, Spain. 5,8x5,5cm. Group of crystals; 1,3 cm. The crystals are definifos 0.6 cm and finished at the ends.

All pictures, text, design © Forum FMF 2006-2025