Insoluble Content, Ionic Composition, Density, and X-Ray Diffraction Spectra of 6 Evaporites from Niger Republic

Figure 3

X-rays diffraction spectra of insoluble obtained. Evaporite (a) from Agadez, (b) from Bilma, (c) from Dirkou, (d) from Niamey, (e) from Tabalak, and (f) from Zinder.

(a)

(b)

(c)

(d)

(e)

(f)