Tantalite,related to columbite,chemical formula ((Fe,Mn)(Ta,Nb)2O6). It is black to brown in colour,opaque,with prismatic crystals. Popular for mineral collectors. From Minas Gerais,Brazil | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Wiersma, Dirk |
Bildgröße: | 4993 px × 3500 px |
Modell-Rechte: | nicht erforderlich |
Restrictions: | - |