Minerals | Chemical formula | Some lines observed on diffractogram (Å) | Corresponding dhkl on A.S.T.M. files |
Kaolinite | Si2O5Al2(OH)4 | 7.15; 3.57; 1.54 | 7.17; 3.57; 1.545 |
Illite | K [(Si3Al)O10Al2(OH)2] | 9.95; 4.97; 1.99 | 10.00; 5.02; 2.005 |
Quartz | SiO2 | 4.25; 3.34; 1.81 | 4.26; 3.34; 1.817 |
Feldspath | [(K, Na) ou (Ca, Na)] Si3AlO8 | 3.88; 3.31; 3.20 | 3.83; 3.31; 3.21 |
Maghémite | Fe2O3 | 3.88; 2.57; 2.23 | 3.86; 2.52; 2.234 |
Anatase | TiO2 | 2.38; 1.50 | 2.379; 1.494 |
Ilménite | FeTiO3 | 3.74 | 3.734 |
Zircon | ZrSiO4 | 1.99 | 2.06 |