Gypsum specimen. Gypsum is a soft mineral composed of calcium sulphate dihydrate (CaSO4 2H2O). Gypsum is defined to have hardness of 2 in the Mohs scale. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Turtle Rock Scientific |
Bildgröße: | 5161 px × 3429 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |