Lapis lazuli specimen. Block of polished lapis lazuli mounted on a base. Lapis lazuli is a deep blue metamorphic rock used as a semi-precious stone that has been prized since antiquity for its intense colour. Specimen from Padouk, Africa, and measures 30 cm high. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Goetgheluck, Pascal |
Taille de l’image : | 5136 px × 6805 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |