Classification of Wakefieldite-(La) |
| IMA status: | Approved 2007 |
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| Nickel-Strunz 10th (pending) edition ID: | 8.AD.35
8 : PHOSPHATES, ARSENATES, VANADATES A : Phosphates, etc. without additional anions, without H2O D : With only large cations |
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| Dana 8th edition ID: | 38.4.9.6
38 : ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES 4 : AXO4 |
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| mindat.org URL: | http://www.mindat.org/min-35901.html Please feel free to link to this page. |
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Type Occurrence of Wakefieldite-(La) |
| Type Locality: | Glücksstern Mine, Gottlob Hill, Friedrichroda, Thuringian Forest, Thuringia, Germany |
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| General Appearance of Type Material: | prismatic crystals up to 0.5mm in length |
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| Associated Minerals at type locality: | |
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Physical Properties of Wakefieldite-(La) |
| Lustre: | Adamantine |
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| Diaphaneity (Transparency): | Transparent, Translucent |
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| Colour: | light pinkish to brown |
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| Streak: | white |
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| Hardness (Mohs): | 4 |
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| Hardness Data: | Measured |
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| Density (calculated): | 4.703 g/cm3 |
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Crystallography of Wakefieldite-(La) |
| Crystal System: | Tetragonal |
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| Class (H-M): | 4/mmm (4/m 2/m 2/m) - Ditetragonal Dipyramidal |
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| Space Group: | I41/amd {I41/a 2/m 2/d} |
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| Cell Parameters: | a = 7.406(4) Å, c = 6.504(8) Å
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| Ratio: | a:c = 1 : 0.878 |
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| Unit Cell Volume: | V 356.8 ų |
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Optical Data of Wakefieldite-(La) |
| Type: | Uniaxial (+) |
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Chemical Properties of Wakefieldite-(La) |
| Formula: | |
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| Essential elements: | La, O, V |
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| All elements listed in formula: | La, O, V |
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Relationship of Wakefieldite-(La) to other Species |
Related Minerals - Nickel-Strunz Grouping):
- + | |
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Other Names for Wakefieldite-(La) |
| 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 Wakefieldite-(La) |
| Reference List: | Witzke, T., U. Kolitsch, J.M. Warnsloh & J. Göske (2008): Wakefieldite-(La), a new mineral species from the Glücksstern Mine, Friedrichroda, Thuringia, Germany. European J. Mineralogy 20, 1135-1139. |
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Internet Links for Wakefieldite-(La) |
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| External Links: | Look for Wakefieldite-(La) on WebmineralLook for Wakefieldite-(La) on Athena MineralogyLook for Wakefieldite-(La) on WikipediaLook for Wakefieldite-(La) on Mineralien AtlasRaman and XRD data at RRUFF projectAmerican Mineralogist Crystal Structure DatabaseSearch for Wakefieldite-(La) in the Natural History Museum (London) online catalogue |
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Localities for Wakefieldite-(La) |