Specimen of the mineral dioptase on a calcite matrix. Dioptase is a copper cyclosilicate mineral with a green-blue colour. Dioptase has the formula CuSiO3.H2O. This sample is from Tsumeb, Namibia. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / RHYS LEWIS & MINH TAN PHAM, AHS, DECD, UNISA |
Modell-Rechte: | nicht erforderlich |
Länge: | 28 Sekunden |
Seitenverhältnis: | 16:9 |
Restrictions: | - |