Classification of Irtyshite |
| IMA status: | Approved |
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| Strunz 8th edition ID: | 4/D.26-30
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| Nickel-Strunz 10th (pending) edition ID: | 4.DJ.05
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates) D : Metal: Oxygen = 1:2 and similar J : With large (+- medium-sized) cations; polyhedral frameworks |
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| Dana 8th edition ID: | 8.6.2.3
8 : MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM 6 : (AB)6O11·nH2O |
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| Hey's CIM Ref.: | 18.1.6
18 : Niobates and Tantalates 1 : Niobates and tantalates containing neither rare earths nor U |
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| mindat.org URL: | http://www.mindat.org/min-2049.html Please feel free to link to this page. |
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Type Occurrence of Irtyshite |
| Type Locality: | Ungursai Ta Deposit, Irtysh River, Kalba Range, Eastern Kazakhstan Province (Shyghys Qazaqstan Oblysy; Vostochno-Kazakhstanskaya Oblast'), Kazakhstan |
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| Year of Discovery: | 1985 |
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Physical Properties of Irtyshite |
| Hardness (Mohs): | 7 |
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Crystallography of Irtyshite |
| Crystal System: | Hexagonal |
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| Cell Parameters: | a = 6.23Å, c = 36.77Å
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| Ratio: | a:c = 1 : 5.902 |
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| Unit Cell Volume: | V 1,235.95 ų (Calculated from Unit Cell) |
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Optical Data of Irtyshite |
| Type: | Uniaxial |
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Chemical Properties of Irtyshite |
| Formula: | |
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| Essential elements: | Na, O, Ta |
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| All elements listed in formula: | Na, Nb, O, Ta |
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Relationship of Irtyshite to other Species |
Related Minerals - Nickel-Strunz Grouping):
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Related Minerals - Hey's Index Grouping:
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Other Names for Irtyshite |
| Synonyms: | |
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| Other Languages: | |
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Other Information |
| Health Warning: | No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care. |
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References for Irtyshite |
Reference List:
- + | American Mineralogist (1986): 71: 1545.
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Internet Links for Irtyshite |
| Search Engines: |
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| External Links: | Look for Irtyshite on WebmineralLook for Irtyshite on Athena MineralogyLook for Irtyshite on Mineralien AtlasRaman and XRD data at RRUFF projectAmerican Mineralogist Crystal Structure DatabaseIrtyshite details from Handbook of Mineralogy (PDF) |
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Localities for Irtyshite |
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