Classification of Feklichevite |
| IMA status: | Approved |
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| Nickel-Strunz 10th (pending) edition ID: | 9.CO.10
9 : SILICATES (Germanates) C : Cyclosilicates O : [Si9O27]18- 9-membered rings |
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| Dana 7th edition ID: | 64.1.1.2 |
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| Dana 8th edition ID: | 64.1.7.
64 : CYCLOSILICATES Rings with Other Anions and Insular Silicate Groups 1 : Rings with Other Anions and Insular Silicate Groups with mixed ring types |
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| mindat.org URL: | http://www.mindat.org/min-11029.html Please feel free to link to this page. |
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Type Occurrence of Feklichevite |
| Type Locality: | Kovdor Phlogopite mine (Mica Mine; Slyuda Mine; Kovdorslyuda Shaft), Kovdor Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia |
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Physical Properties of Feklichevite |
| Colour: | Dark brown. |
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| Streak: | Brownish |
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Crystallography of Feklichevite |
| Crystal System: | Trigonal |
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Chemical Properties of Feklichevite |
| Formula: | | Na | | Ca | | (Fe | | ,Fe | | ) | | Zr | | Nb[Si | | O | | ](OH,H | | O,Cl,O) | | |
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| Essential elements: | Ca, Fe, H, Na, Nb, O, Si, Zr |
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| All elements listed in formula: | Ca, Cl, Fe, H, Na, Nb, O, Si, Zr |
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Relationship of Feklichevite to other Species |
| Member of: | Eudialyte Group |
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Related Minerals - Nickel-Strunz Grouping):
- + | |
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Related Minerals - Dana Grouping):
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Other Names for Feklichevite |
| 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 Feklichevite |
| Reference List: | Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva: 130(3): 55-65.
Khomyakov, A.P., Nechelyustov, G.N., Rastsvetaeva, R.K. (2007): Aqualite, (H3O)8(Na,K,Sr)5Ca6Zr3Si26O66(OH)9Cl, a new eudialyte-group mineral from Inagli alkaline massif (Sakha-Yakutia,Russia),and the problem of oxonium in hydrated eudialytes. Proceedings of the Russian Mineralogical Society (Zapiski RMO), 136(2), 39-55.
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Internet Links for Feklichevite |
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| External Links: | Look for Feklichevite on WebmineralLook for Feklichevite on Athena MineralogyLook for Feklichevite on WikipediaLook for Feklichevite on Mineralien AtlasRaman and XRD data at RRUFF projectAmerican Mineralogist Crystal Structure DatabaseSearch for Feklichevite in the Natural History Museum (London) online catalogue |
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Localities for Feklichevite |
The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the  symbol to view information about a locality.
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