Type | Group | Subgroup | Species/Location/Formula |
2:1 | Clay | Smectite (Di) | Montmorillonite (SWy-2) (*) Crook County, WY Na0.3Al1.7Mg0.3Si4O10(OH)2 |
2:1 | Clay | Smectite (Di) | Montmorillonite (SAz-1) (*) Cheto Mine, Apache Country, AZ Ca0.3Al1.6Mg0.3Si4O 10(OH)2 |
2:1 | Clay | Smectite (Di) | Montmorillonite STx ? 1 (***) county of Gonzales, Texas/USA (Na,Ca)0.33(Al,Mg)2Si4O10(OH)2・nH2O |
1:1 | Clay | Kaolinite (Uni) | Kaolinite Kga-1 (**) County of Washington, State of Georgia, USA Al2 Si2O5(OH)4 |