Tapiolite
![](/Images/godic/202502/15/Tapiolite-1217012446.jpg")
![](/Images/godic/202502/15/Tapiolite2446.GIF")
Tapiolite [(Fe, Mn)(Nb, Ta)2O6] is a black mineral series that is an ore of niobium and tantalum. The tapiolite group includes tapiolite-(Fe) or ferrotapiolite and tapiolite-(Mn) or manganotapiolite. Tapiolite-(Fe) is by far the more common of the two.