Schapbachite mineral sample. This mineral is a sulphide that contains the metals silver and bismuth. It usually occurs as grey-black,needle-like crystals,here in an underlying white matrix. This sample,from Schapbach in the Schwarzwald area of southern Germany,is 4.5 centimetres across | |
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 : | - |