Tennantite. Crust of sparkling silvery metallic examples of tennanite (copper arsenic sulphide). It has been partly altered by 'copper rust'. Specimen from Relistan mine,Cornwall,UK | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Natural History Museum, London |
Taille de l’image : | 2668 px × 3274 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |