| Domain | Definition | ||
| Mining | A monoclinic mineral, (Na, ca0.5)0.3 Al2 (Si, Al) (sub 4) O10 (OH)2.nH2 O; smectite group; aluminum rich and poor in magnesium and iron; a common constituent of soils and certain clay deposits (e.g., metabentonite). Cf: montmorillonite. (references) | ||
Source: compiled by the editor from various references; see credits. | Top | ||
