General industrial requirements for niobium elements


Mineral name
Sc content, %
Wolframite-containing white mica and quartz vein greisenization wolframite deposit
0.02~0.09

Tin- bearing sulphide deposit: cassiterite mineral

0.02~0.04

Amphibole mineral magnet - fluorite deposit: zinnwaldite
0.05~0.1

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