Iron pyrite crystal
Numéro d’image : 11742090
| Iron pyrite crystal. Close-up of pyrite or iron disulphide (FeS2) the most abundant sulphide mineral,which is more commonly known as fool's gold. It is mined world wide as a source of sulphur,which is used to produce sulphuric acid. The word pyrite comes from the Greek,which translates as "stone which strikes fire". Iron pyrite often occurs as well-formed cubic,octahedral or pyritohedral crystals. It occurs as an accessory in igneous,contact metamorphic and sedimentary rocks. Although not very valuable,it is prized by collectors for its infinitely repeating geometry | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / Lawry, Lawrence |
| Taille de l’image : | 4171 px × 3385 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : | - |
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