X-ray diffraction
| Sample | XRD | XRD diffractogram |
|---|---|---|
| M1 | Quartz- SiO2 Moganite- SiO2 Calcite, magnesian (Ca, Mg) CO3 Pyrosmalite - (Mn) (Mn+2 Fe)8(Si6O15) (OH, Cl)10 Muscovite - (K, Na) (Al, Mg, Fe)2(Si3.1Al0.9) O10(OH)2 Hidalgoite - PbAl3(AsO4) (SO4) (OH)6 Pennantite-1MIIb - Mn5+2 Al (Si3Al) O10(OH)8 Wallkilldellite, (Ca, Mn)4 Mn6+2 As4O16(OH)8 x 18H2O |
 |
| M2 | Calcite CaCO3 Calcite, magnesian (Ca, Mg) CO3 |
 |
| M3 and M4 | Calcite - CaCO3 Quartz - SiO2 Moganite - SiO2 |
 |
Mineralogical phases of calcareous tufa deposits.
XRD: X-ray diffraction.