Stilbite crystals. Stilbite (calcium aluminium silicate) is a zeolite with a micro-porous,sieve-like,crystal structure. This property means that it can be used to separate hydrocarbons in the process of petroleum refining. This specimen was found on the Faroe Islands,and measures about 110 mm across | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Wiersma, Dirk |
Taille de l’image : | 5056 px × 3470 px |
Model Release : | Non requis |
Restrictions : | - |