Graphite specimen,macrophotograph
Numéro d’image : 11652148
| Graphite. Macrophotograph of a specimen of graphite,a form of carbon that occurs naturally close to the Earth's surface. It is formed by stacked graphene sheets. Graphite is a soft,steel-gray to black,hexagonally crystallized allotrope of carbon with a metallic luster and a greasy feel,used in lead pencils,lubricants,paints,and coatings,that is fabricated into a variety of forms such as molds,bricks,electrodes,crucibles,and rocket nozzles. Also called black lead,plumbago.This specimen is from Sri Lanka and shows a detail of 13mm across | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / Pasieka, Alfred |
| Taille de l’image : | 3655 px × 4781 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : | - |
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