Slender prismatic crystals of Quartz radiate from a substrate formed by large pseudo-rhombohedral crystals of Orthoclase, brownish colored. Quartz is a common Silica mineral (SiO2), Orthoclase a Feldspar mineral, chemically a Potassium Aluminium Silicate. Overall width of sample here seen is 140 mm. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Wiersma, Dirk |
Bildgröße: | 5121 px × 3413 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |