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

Table 3

Minerals detected from X-rays analysis of insolubles obtained (×: mineral detected in insoluble samples studied).

Minerals detected	Insolubles
	A	B	D	N	X	Z
Trona
Quartz	×	×	×	×	×	×
Halite
Sylvite
Calcite	×	×	×		×	×
Magnesite		×
Griceite	×
Gypsum			×		×	×
Burkeite			×
Kaolinite			×	×
Aphthitalite			×
Elpasolite				×
Talc						×