Barite crystals, coloured scanning electron micrograph (SEM). Barite (barium sulphate) is the main source of barium and is used as a weighting agent for drilling fluids in oil and gas exploration. Sample from the Black Forest, Germany. Magnification: x4170, when printed 10 cm wide. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / EYE OF SCIENCE |
Taille de l’image : | 3885 px × 4498 px |
Model Release : | Non requis |
Property Release : | Non requis |
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