Sulphur or sulfur (symbol S) is an abundant, non-metallic chemical element. In nature, sulphur can be found both as the pure element and as compounds, such as sulphide and sulphate. Elemental sulphur, whether amorphous or crystalline is most often found in volcanic environments Well developed crystals, as in this picture, are formed in voids and open surfaces, and are much in demand with mineral collectors for their bright yellow colours and polyhedral shapes. Actual width of this sample 30 cm | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Wiersma, Dirk |
Taille de l’image : | 5472 px × 3648 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |