This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Actinolite Byssolite Albite. Actinolite variety Byssolite and Albite Size cm Locality Knappenwand Knappenwand area Untersulzbach valley Hohe Tauern Mts Salzburg Austria Aktinolith Variett Byssolith und Albit Gre cm Fundort Knappenwand Untersulzbach Hohe Tauern Salzburg sterreich mindat org html mindat org html Gerd Stefanik