Granite sample. Granite is an intrusive igneous rock consisting of the minerals quartz,feldspar and mica. This clear granite consists of the black mica biotite,a large proportion of quartz and only a little grey feldspar. The red colour is from plagioclase feldspar crystals. This sample is from the Rock of Ages Quarry,Barre,Vermont,USA,the world's largest granite quarry | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Szoenyi, Michael |
Bildgröße: | 4368 px × 2912 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |