| Webster's Online Dictionary |
| Domain | Definition | ||
| Mining | A monoclinic mineral, Na3 (Mg, Fe)4 AlSi8 O22 (OH)2; amphibole group with Mg/(Mg + Fe2+)= 0.5 to 1.0 and Fe3+ /(Fe3+ + Al)= 0 to 0.5; fibrous; in nephelinesyenites; an asbestos mineral. (references) | ||
Source: compiled by the editor from various references; see credits. | Top | ||