Silicon carbide. This mineral,also known as carborundum,is very rare in nature,but its is mass-produced synthetically. It is widely used as an abrasive and in body armour and brake discs for sports cars. This specimen measures 7 centimetres across | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Goetgheluck, Pascal |
Taille de l’image : | 4382 px × 3992 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |