Classification of Ivanyukite-Na-T |
| IMA status: | Approved 2007 |
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| mindat.org URL: | http://www.mindat.org/min-39652.html
Please feel free to link to this page. |
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Type Occurrence of Ivanyukite-Na-T |
| Type Locality: | Koashva Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia |
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| Geological Setting of type material: | Ivanyukite-Na-T is a low-temperature hydrothermal mineral crystallized from supersaturated Na-rich aqueous solutions |
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Physical Properties of Ivanyukite-Na-T |
| Lustre: | Vitreous |
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| Diaphaneity (Transparency): | Transparent |
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| Colour: | Colorless to pale brown |
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| Streak: | White |
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| Hardness (Mohs): | 4 |
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| Cleavage: | Perfect
on {1011} |
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| Density (measured): | 2.7 g/cm3 |
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| Density (calculated): | 2.384 g/cm3 |
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Crystallography of Ivanyukite-Na-T |
| 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 = 10.921(3) Å, c = 13.885(4) Å
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| Ratio: | a:c = 1 : 1.271 |
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| Unit Cell Volume: | V 1,434.17 ų (Calculated from Unit Cell) |
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| Z: | 3 |
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Optical Data of Ivanyukite-Na-T |
| Type: | Uniaxial (+) |
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| RI values: | nω = 1.760() nε = 1.850(9) |
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| Maximum Birefringence: | δ = 0.090
Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration. |
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| Surface Relief: | Very High |
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Chemical Properties of Ivanyukite-Na-T |
| Formula: | |
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| Essential elements: | H, Na, O, Si, Ti |
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| All elements listed in formula: | H, Na, O, Si, Ti |
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Other Names for Ivanyukite-Na-T |
| 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 Ivanyukite-Na-T |
Reference List:
- + | Victor N. Yakovenchuk, Alexander P. Nikolaev, Ekaterina A. Selivanova, Yakov A. Pakhomovsky, Julia A. Korchak, Dar’ya V. Spiridonova, Oleg A. Zalkind, and Sergey V. Krivovichev (2009): Ivanyukite-Na-T, ivanyukite-Na-C, ivanyukite-K, and ivanyukite-Cu: New microporous titanosilicates from the Khibiny massif (Kola Peninsula, Russia) and crystal structure of ivanyukite-Na-T. American Mineralogist, 94, 1450–1458. |
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Internet Links for Ivanyukite-Na-T |
| Search Engines: |
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| External Links: | Look for Ivanyukite-Na-T on WebmineralLook for Ivanyukite-Na-T on Athena MineralogyLook for Ivanyukite-Na-T 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 Ivanyukite-Na-T |
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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