Tiger-eye is a silicate mineral made of practically pure silica dioxide (SiO2). It is found in highly metamorphic rocks. It is a semi precious gemstone well known for it's silky,golden gloss (chatoyancy) and is often cut and polished into cabochons and trinkets. The polished surface here seen measures 85 x 62 mm | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Wiersma, Dirk |
Bildgröße: | 4634 px × 3771 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |