Iron pyrites. Cubic crystal of iron pyrites or sulphide (FeS2),also known as fool's gold,in an unidentified mineral. Iron pyrites is used as a source of sulphur and in the manufacture of sulphuric acid. It is the most abundant sulphide mineral,being found in igneous,metamorphic and sedimentary rocks. Its brass-yellow colour and metallic lustre lead inexperienced prospectors to believe that they have found precious metal | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Winters, Charles D. |
Taille de l’image : | 4507 px × 3145 px |
Model Release : | Non requis |
Property Release : | Non requis |
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