Illustration of (from top to bottom, left to right) labradorite, malachite, amphibolite, basalt, and petrified wood. | |
Lizenzart: | Lizenzfrei |
Credit: | Science Photo Library / ELABARTS / ELENA HARTLEY |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |