Classification of Georgbarsanovite |
| IMA status: | Approved 2003 |
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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 8th edition ID: | 64.1.2.8
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-27506.html Please feel free to link to this page. |
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Type Occurrence of Georgbarsanovite |
| Type Locality: | Nepheline pegmatite outcrop, Petrelius River, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia |
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Physical Properties of Georgbarsanovite |
| Lustre: | Vitreous |
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| Diaphaneity (Transparency): | Transparent, Translucent |
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| Colour: | Yellow, Green |
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Crystallography of Georgbarsanovite |
| Crystal System: | Trigonal |
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| Class (H-M): | 3m - Ditrigonal Pyramidal |
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| Space Group: | R3m |
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| Cell Parameters: | a = 14.262Å, c = 29.949Å
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| Ratio: | a:c = 1 : 2.1 |
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| Unit Cell Volume: | V 5,275.62 ų (Calculated from Unit Cell) |
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| X-Ray Powder Diffraction: | | d-spacing | | Intensity | | 6.42 | | (54) | | 4.30 | | (62) | | 3.202 | | (100) | | 3.155 | | (71) | | 2.975 | | (98) | | 2.857 | | (94) | | 2.591 | | (54) |
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| Comments: | From type description. |
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Optical Data of Georgbarsanovite |
| Type: | Uniaxial (-) |
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| RI values: | nω = 1.639 nε = 1.631 |
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| Maximum Birefringence: | δ = 0.008
 Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration. |
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| Surface Relief: | Moderate |
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Chemical Properties of Georgbarsanovite |
| Formula: | | Na | | (Mn,Sr,REE) | | Ca | | Fe | | Zr | | NbSi | | O | | Cl | | ·H | | O |
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| All elements listed in formula: | Ca, Cl, Fe, H, Mn, Na, Nb, O, Si, Sr, Zr |
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Relationship of Georgbarsanovite to other Species |
| Member of: | Eudialyte Group |
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Other Members of Group:
- + | |
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Related Minerals - Nickel-Strunz Grouping):
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Other Names for Georgbarsanovite |
| 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 Georgbarsanovite |
Reference List:
- + | Khomyakov, A. P.; Rastsvetaeva, R. K. (2005): How we lost barsanovite and gained georgbarsanovite. Priroda, (12), 25-28. (in Russian)
Khomyakov, A. P.; Nechelyustov, G. N.; Ekimenkova, I. A.; Rastsvetaeva, R. K. (2005): Georgbarsanovite, Na12(Mn,Sr,REE)3Ca6Fe2+3Zr3NbSi25O76Cl2×H2O - a mineral species of the eudialyte group: revalidation of barsanovite and the new name of the mineral. Zapiski Rossiiskogo Mineralogicheskogo Obshchestva 134, 47-57. (in Russian) |
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Internet Links for Georgbarsanovite |
| Search Engines: |
Look for Georgbarsanovite on Google
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| External Links: | Look for Georgbarsanovite on WebmineralLook for Georgbarsanovite on Athena Mineralogy [Link dead]Look for Georgbarsanovite on Mineralien AtlasRaman and XRD data at RRUFF projectAmerican Mineralogist Crystal Structure Database |
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| Jobs: | Mining & Geology Jobs |
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Localities for Georgbarsanovite |
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