Nickeline. This mineral,also known as niccolite,consists of nickel arsenide. It is formed by hydrothermal modification of ultramafic rocks and associated ore deposits. This sample is from Erzgebirge,Bohemia,Germany,and measures 80 millimetres across | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Wiersma, Dirk |
Taille de l’image : | 5125 px × 3417 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |