Nontronite [ Na0.3FeIII2(Si,Al)4O10(OH)2·nH2O ]
Image of Nontronite
Image of Nontronite and Goethite in specimen 'APIH33a Nontronite' [CSIRO].
(C) 2025 CSIRO Mineral Resources. All rights reserved.
Material properties
| Formula | Na0.3FeIII2(Si,Al)4O10(OH)2·nH2O |
| Abbreviation | Non |
| Classifications | Minerals containing OH, Smectite (group), Minerals containing H2O |
| Member | Nontronite-15.6A |
| IMA Status | Approved (IMA 1962 s.p.) |
| Search other databases | webmineral.com, mindat.org, rruf.info, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database |
| Tags | Hydrated , Hydroxide , Mineral, Aluminosilicate |
Composition
| Element | Atoms |
|---|---|
| Al | 1 |
| Fe | 2 |
| Si | 3 |
| O | 16 |
| H | 10 |
| Na | 0.3 |
| Total: | 32.3 |
Specimens of Nontronite
| Name | Owner | Materials | Phase purity | Image |
|---|---|---|---|---|
| APIH33a Nontronite | CSIRO | Goethite, Nontronite (97.3%) | 97.3 |