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Crystal Structure of Mongolian Phosphorite Minerals and Mechanochemistry

P. Jargalbat, G. Batdemberel

2014enmongolian phosphoritecrystal structuremechanochemistryx-ray diffractionrietveld method

Abstract

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We have carried out crystal structure investigations of natural and mechanochemically activated samples of Burenkhan, Tsakhir uul and Aldarkhan phosphorite deposits (The North Mongolia) by x-ray, neutron and synchrotron powder diffraction techniques. We have determined the exact mineral contents of the phosphorite ore and crystallochemical formula of each mineral. It was established that natural samples of Tsakhir uul and Aldarkhan phosphorite deposits contain fluorite (CaF2) among the main ore minerals ((Ca)5(PO4)3F and SiO2). The amount of CaF2 in the sample of Tsakhir uul is more than in the Aldarkhan sample. It was shown that as a result of mechanochemical activations any new crystal phases formed. Strong distortion in the crystal lattice of flourapatite, especially in the PO4-tetrahedrons possibly leads to an increase in the lattice energy and more solubility of apatite after mechanochemical activation.

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Cite This Work

@article{6f2e5462-d582-454b-8fc4-069b147af25b,
  title={Crystal Structure of Mongolian Phosphorite Minerals and Mechanochemistry},
  author={P. Jargalbat and G. Batdemberel},
  year={2014},
  language={en}
}
TY  - JOUR
TI  - Crystal Structure of Mongolian Phosphorite Minerals and Mechanochemistry
AU  - P. Jargalbat
AU  - G. Batdemberel
PY  - 2014
LA  - en
ER  -

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