Turquoise,a rare opaque mineral and ornamental stone. It is a hydrated copper- aluminium phosphate. This polished sample,measuring 45 millimetres across,originates from Santa Fe,New Mexico,USA | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Wiersma, Dirk |
Taille de l’image : | 3756 px × 5197 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |