Classification of Tassieite |
| IMA status: | Approved 2006 |
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| Strunz 8th edition ID: | 7/C.18-05
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| Nickel-Strunz 10th (pending) edition ID: | 8.CF.05
8 : PHOSPHATES, ARSENATES, VANADATES C : Phosphates without additional anions, with H2O F : With large and medium-sized cations, RO4:H2O > 1:1 |
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| Dana 8th edition ID: | 40.2.16.3
40 : HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES 2 : AB2(XO4)2·xH2O |
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| mindat.org URL: | http://www.mindat.org/min-29006.html Please feel free to link to this page. |
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Type Occurrence of Tassieite |
| Type Locality: | Johnston Firth, Stornes Peninsula, Larsemann Hills (Larseman Hills), Prydz Bay, Ingrid Christensen Coast, Princess Elizabeth Land, Eastern Antarctica, Antarctica |
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Crystallography of Tassieite |
| Crystal System: | Orthorhombic |
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| Class (H-M): | mmm (2/m 2/m 2/m) - Dipyramidal |
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| Space Group: | Pbca {P21/b 21/c 21/a} |
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| Cell Parameters: | a = 12.4595(7) Å, b = 11.5955(16) Å, c = 12.7504(7) Å
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| Ratio: | a:b:c = 1.075 : 1 : 1.1 |
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| Unit Cell Volume: | V 1842.1 ų |
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| Z: | 4 |
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Chemical Properties of Tassieite |
| Formula: | | (Na,[ ])Ca | | (Mg,Fe | | ,Fe | | ) | | (Fe | | ,Mg) | | (Fe | | ,Mg) | | [PO | | ] | | · 2H | | O |
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| All elements listed in formula: | Ca, Fe, H, Mg, Na, O, P |
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Relationship of Tassieite to other Species |
Related Minerals - Nickel-Strunz Grouping):
- + | |
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Other Names for Tassieite |
| 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 Tassieite |
| Reference List: | Grew, E.S., Armbruster, T., Medenbach, O., Yates, M.G., Carson, C.J. (2006): Tassieite, (Na,[])Ca2(Mg,Fe2+,Fe3+)2(Fe3+,Mg)2(Fe2+,Mg)2(PO4)6•2H2O, a hydrothermal wicksite-group mineral in fluorapatite nodules from granulite-facies paragneiss in the Larsemann Hills, Prydz Bay, East Antarctica. Canadian Mineralogist, 45, 293-305(2007). |
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Internet Links for Tassieite |
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| External Links: | Look for Tassieite on WebmineralLook for Tassieite on Athena MineralogyLook for Tassieite on WikipediaLook for Tassieite on Mineralien AtlasRaman and XRD data at RRUFF projectAmerican Mineralogist Crystal Structure DatabaseSearch for Tassieite in the Natural History Museum (London) online catalogue |
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Localities for Tassieite |