Full description
The molecular structure of the three vivianite-structure, compositionally related phosphate minerals vivianite, baricite and bobierrite of formula M32+(PO4)2.8H2O where M is Fe or Mg, has been assessed using a combination of Raman and infrared (IR) spectroscopy.
Figure 1 is Raman spectra of the hydroxyl-stretching region of (a) vivianite, (b) baricite and (c) bobierrite.
Figure 2 is IR spectra of the hydroxyl-stretching region of (a) vivianite, (b) baricite and (c) bobierrite.
Figure 3 is IR spectra of the water HOH-bending region of (a) vivianite, (b) baricite and (c) bobierrite.
Figure 4 is Raman spectra of the phosphate-stretching region of (a) vivianite, (b) baricite and (c) bobierrite.
Figure 5 is IR spectra of the PO4-stretching region of (a) vivianite, (b) baricite and (c) bobierrite
Figure 6 is Raman spectra of the low-wavenumber region of (a) vivianite, (b) baricite and (c) bobierrite.
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- DOI : 10.4225/09/586B2700A11FE
- Local : 10378.3/8085/1018.16208
