Amethyst gemstones. Amethyst is a purple variety of the mineral quartz (silicon dioxide). The name comes from a Greek word meaning "not drunken",which probably refers to the wine-like colour of some varieties. Amethyst is found in various locations around the world,with each type being unique to that area. For example amethyst from the Ural mountains,Russia is a very clear and dark variety that is cut into expensive gemstones | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Lawry, Lawrence |
Bildgröße: | 3399 px × 4176 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |