how can I find Apfu for each element from the mineral chemistry analysis of electron microprobe data for a mineral? for example columbite, rutile, euxenite, Aschynite
Please, check of these two links and you will find your answers
http://www.geo.umass.edu/courses/geo311/lecture%2017_chem1.pdf
http://darkwing.uoregon.edu/~cashman/GEO311/311pages/L5_exercise.htm
Noha E. Baghdady
Many thanks, Dr. Noha. it's very helpful.
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