Mineral: Prehnite, Epidote, Fluorite
Locality: Quarries on gneiss, Arvigo, Calanca Valley, Mesolcina Valley, Grischun (Grisons; Graubünden), Switzerland
Dimensions: 2,5 x 2 cm
Description: Epidote crystals on glassy Prehnite. Detail from previous picture.
All pictures, text, design © Forum FMF 2006-2025