Wood tin. Dark-brown banded aggregates of cassiterite,a variety of cassiterite,intergrown with quartz (white) and tourmaline (black). Cassiterite is a tin oxide and important ore of tin. Polished specimen is from West Kitty mine,St. Agnes,Cornwall,UK | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Natural History Museum, London |
Bildgröße: | 3487 px × 2507 px |
Modell-Rechte: | nicht erforderlich |
Restrictions: | - |