Related by context. Frequent words. (Click for all words.) 67 calcite 66 nacre 66 nanosized 65 calcareous 64 foraminifera 63 hydroxyapatite 63 olivine 62 silicate 61 silicates 61 diatom 60 isotopic composition 59 apatite 59 diatoms 59 spherules 59 stromatolites 58 siliceous 58 carbonaceous 58 igneous rock 58 lavas 58 bilayer 58 SWNTs 58 iron oxides 58 SiO2 57 lithosphere 57 clasts 57 basaltic 57 igneous rocks 57 SiO 2 57 MgO 57 crystalline 57 monolayer 57 abundances 57 calcium carbonate 57 zeolites 57 osmium 57 salt crystals 57 chemically inert 57 porphyrin 56 alternating layers 56 sedimentary rock 56 basalts 56 solar nebula 56 oxygen isotopes 56 morphologies 56 polycrystalline 56 adsorbed 56 Fig. 1A 56 nanocrystalline 56 micelles 56 prokaryotes 56 zircons 56 Amino acids 55 cerium 55 anisotropic 55 stromal 55 cuprates 55 crystalline structure 55 GPa 55 nanoscopic 55 titanium oxide 55 oxidised 55 continental crust 55 crystal lattice 55 calcium phosphate 55 magmas 54 nuclei 54 nanometer sized 54 mudstone 54 ductile 54 anisotropy 54 macromolecules 54 oceanic crust 54 chalcocite 54 dentin 54 lunar soil 54 bioavailable 54 colloid 54 hydroxide 54 biotite 54 carbonic acid 54 soluble 54 colloidal 54 isotopic 54 collagen fibers 54 monazite 54 AlN 54 microstructures 54 landforms 53 semiconducting 53 micron sized 53 electron density 53 planktonic 53 silicon atoms 53 sulphide minerals 53 basalt 53 labile 53 dispersive 53 chitin 53 biological molecules 53 multicellular 53 nucleation