Epidote mineral sample. This mineral is a sorosilicate that contains calcium,iron and aluminium. Here,it has formed glassy,dark green columnar crystals protruding from a substrate of byssolithe. Byssolithe,which is also a silicate,is a variety of actinolite. This sample is from Knappenwand in the Untersulzbachtal,near Salzburg,Austria. A pencil tip (bottom) is shown for scale | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Wiersma, Dirk |
Taille de l’image : | 5138 px × 3425 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |