Mineralienatlas - Fossilienatlas
18 Niobates and Tantalates |
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18.01 Niobates and tantalates containing neither rare earths nor U |
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Bariopyrochlor(Var.v. Pyrochlor-Supergruppe) | (Ba,Sr)(Nb,Ti)2(O,OH)7 | kubisch | Fd3m | m3m | 18.01.17 |
18.04 Niobates and tantalates containing both U and rare earths |
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Yttrotantalit-(Y) | (Y,U,Fe2+)(Ta,Nb)(O,OH)4 | orthorhombisch | 18.04.03 |