Pyrochlore (Na,Ca)2Nb2O6(OH,F) is a solid solution between the niobium end member (pyrochlore), and the tantalum end member (microlite).
Read more about Pyrochlore: Occurrence, Name and Discovery, Crystal Structure, Niobium Mining
Pyrochlore (Na,Ca)2Nb2O6(OH,F) is a solid solution between the niobium end member (pyrochlore), and the tantalum end member (microlite).
Read more about Pyrochlore: Occurrence, Name and Discovery, Crystal Structure, Niobium Mining