Siderite crystals on quartz crystals. Siderite consists of iron carbonate (FeCO3) and the ore is mined as a source of iron metal. Specimen from the Great Onslow Consol mine,St. Breward,Cornwall,UK | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Natural History Museum, London |
Taille de l’image : | 3822 px × 4572 px |
Model Release : | Non requis |
Restrictions : | - |