Topaz. View of a sample of topaz a silicate mineral made of aluminium silicate. Topaz is a very hard stone,often transparent or translucent with a vitreous lustre. It is often colourless,but can be coloured,yellow,blue,pink,green,violet or reddish-yellow. Clear or finely coloured varieties have always been used as gemstones | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Michler, Astrid & Hans-Frieder |
Bildgröße: | 3640 px × 2480 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |