SUM Chart, page-1033

It's very easily done
and there's also heaps of ways to do it.

Sometimes they are sold together so do not need to be separated,
Though it is easy enough anyway so no drama either way.

Niobium in EV Batteries has see them able to be charged in Minutes,
So it would seem all EV Manufacturers will adopt this Technology.
It is also the thing that stops people buying EV's the "Charging Time",
Take that out of the equation and that equals more sales of EV's.

Anyhow here is an article showing how to separate Niobium and Tantalum below:

Separation and isolation of tantalum and niobium from tantalite using solvent extraction and ion exchange:

Highlights

• •
  Tantalum and niobium were successfully separated from each other in tantalite.
• •
  Solvent extraction succeeded in removing tantalum from the tantalite matrix.
• •
  Ion exchange separated niobium from the rest of the metal impurities.
• •
  Quantitative recoveries were obtained for both tantalum and niobium.

https://www.sciencedirect.com/scien...ere successfully,rest of the metal impurities.