International Scholarly Research Notices

Review Article

Rare Earth Elements: Their Importance in Understanding Soil Genesis

Table 3

Common minerals having rare earth element (REE) substitution.
MineralFormulaComments
FluoriteCaF2Y and Ce replace Ca
Allanite(Ce, Ca, Y)2(Al, Fe2+, Fe3+)3(SO4)3OH
SpheneCaTiSiO5Y and REE replace Ca
ZirconZrSiO4Y and HREE replace Zr
ApatiteA5(XO4)3(F, OH, Cl); A = Ca,Be,Ce,PbY and REE replace Ca
Monazite(CeLa)PO4
XenotimeYPO4REE replaces Y
Rhabdophane(Ce, La)PO4REE replaces La
BastnaesiteLa(REE)-fluorocarbonate
Reported in Clark [8].