HIGHLIGHTS
- who: . and colleagues from the College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing, China have published the research work: Mineral Chemistry of Pyrochlore Supergroup from the, in the Journal: Minerals 2022, 785 of /2022/
- what: Given this substitution of elements in the pyrochlore supergroup minerals during Boziguoer magma evolution controlled by the A- and B-sites, and on the basis of maintaining the charge balance , the authors propose the following substitution mechanism: 2Ca2+ + Ti4+ + 4Ta5+=REE3+ + A-V + 5Nb5+
SUMMARY
Niobium is a critical metal with . . .

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