Actinolite var. Byssolite Knappenwand, Untersulzbach ...
Description: Actinolite var. Byssolite Knappenwand, Untersulzbach Valley, Hohe Tauern, Salzburg, Austria 4.0 x 6.2 cm Delicate needles of dark green byssolite scattered amongst white albite crystals.