Base de minerales y cristaloterapiaMineralesPísekite-(Y)Písekite-(Y)(Y,As,Ca,Fe,U)(Nb,Ti,Ta)O4 root IMA questionableComposiciónComposizione (% in peso)NbYONbNiobium37.8%YYttrium36.2%OOxygen26.0%Chakras secundariosthird eye