Related by context. Frequent words. (Click for all words.) 65 yttrium 64 terbium 62 noble gases 62 samarium 61 dysprosium 61 osmium 61 europium 60 cerium 60 monazite 60 zeolites 58 REEs 58 Yttrium 57 nanoclusters 57 nanosized 57 baryons 57 Neodymium 57 HREE 56 sulfide minerals 56 Chromite 56 olivine 56 carbonaceous 56 lanthanum 56 kaolinite 56 agglomerates 56 fermions 55 copper Cu 55 isomers 55 porphyrin 55 reactants 55 isotope ratios 55 manganese oxide 55 dopants 55 nuclei 55 orbitals 55 ZrO2 55 muon 55 alpha particles 54 porphyrins 54 silicates 54 dopant 54 HREO 54 peroxides 54 electron density 54 optical lattice 54 oxides 54 silicon atoms 54 anisotropic 54 plasmon 54 perovskite 53 atomic nuclei 53 andesitic 53 titanium oxide 53 siliceous 53 gallium 53 hafnium 53 elemental composition 53 cuprates 53 rhenium 53 pathfinder elements 53 metamorphic rocks 53 histidine 53 Fluorine 53 dispersive 53 radioactive decay 53 tellurium 53 americium 53 anions 53 Rhenium 53 Metamaterials 53 Germanium 53 particle sizes 53 silicate 53 atoms 53 sulphide minerals 53 bosons 53 graphitic 53 calcite 52 Heavy Rare Earth 52 Inductively Coupled Plasma 52 PGEs 52 fluorescent molecules 52 spinel 52 polycrystalline 52 biomolecule 52 colloid 52 SiO2 52 REE 52 nanocrystalline 52 elements REE 52 bismuth 52 eU#O# 52 neutrons 52 enantiomers 52 diffraction pattern 52 surface plasmons 52 boron 52 benzene toluene 52 crystal lattice 52 pegmatites 52 tetrahedrite 52 kerogen