Light micrograph of the light interference figure pattern (conoscopic figure) for the mineral quartz: characteristic interference figures are used by geologists & crystallographers to identify minerals. The feature in the centre (a so-called airy spiral) is peculiar to this particular type of mineral | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Hinsch, Jan |
Taille de l’image : | 4962 px × 3543 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |