Classification of Uedaite-(Ce) |
| IMA status: | Approved 2006 |
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| Nickel-Strunz 10th (pending) edition ID: | 9.BG.05
9 : SILICATES (Germanates) B : Sorosilicates G : Sorosilicates with mixed SiO4 and Si2O7 groups; cations in octahedral [6] and greater coordination |
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| Dana 8th edition ID: | 58.2.9.4
58 : SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups 2 : Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2) |
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Type Occurrence of Uedaite-(Ce) |
| Type Locality: | Marutoku Quarry, Shodoshima (Shodo Island), Inland Sea (Setonaikai), Kagawa Prefecture, Japan |
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| Place of Conservation of Type Material: | National Museum of Nature and Science, Japan catalog number NSM-M28864 |
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Physical Properties of Uedaite-(Ce) |
| Lustre: | Vitreous |
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| Diaphaneity (Transparency): | Transparent, Translucent |
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| Colour: | black to dark brown |
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| Streak: | grey |
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| Hardness (Mohs): | 5 - 6 |
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| Hardness Data: | Measured |
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| Tenacity: | Brittle |
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| Cleavage: | Poor/Indistinct poor on {001} |
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| Fracture: | Irregular/Uneven |
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| Density (calculated): | 4.19 g/cm3 |
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| Comment: | density unable to be measured because of intergrowth with other minerals |
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Crystallography of Uedaite-(Ce) |
| Crystal System: | Monoclinic |
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| Class (H-M): | 2/m - Prismatic |
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| Space Group: | P21/m {P1 1 21/m} {P21/m} {P1 21/m 1} |
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| Cell Parameters: | a = 8.939(8) Å, b = 5.742(4) Å, c = 10.187(8) Å β = 115.10(6)° |
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| Ratio: | a:b:c = 1.557 : 1 : 1.774 |
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| Unit Cell Volume: | V 473.5 ų |
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| Z: | 2 |
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| X-Ray Powder Diffraction: | | d-spacing | | Intensity | | 9.23 | | (24) | | 8.03 | | (26) | | 3.53 | | (54) | | 2.92 | | (100) | | 2.87 | | (23) | | 2.71 | | (43) | | 2.62 | | (39) |
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Optical Data of Uedaite-(Ce) |
| Type: | Biaxial (-) |
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| Comments: | Brown to yellow. Y = b. |
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Chemical Properties of Uedaite-(Ce) |
| Formula: | |
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| Essential elements: | Al, Ce, Fe, H, Mn, O, Si |
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| All elements listed in formula: | Al, Ce, Fe, H, Mn, O, Si |
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Relationship of Uedaite-(Ce) to other Species |
| Member of Group: | |
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| Common Associates: | |
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Related Minerals - Nickel-Strunz Grouping):
- + | |
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Other Names for Uedaite-(Ce) |
| 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 Uedaite-(Ce) |
| Reference List: | Smol'yaninova, V.N., Borisovskii, S.E. (1988) Manganorthite in manganese ores of Gornyi Altai, - Izvestiya AN SSSR, seriya geologicheskaya, N, p. (in Russian)
R. Miyawaki: A Mn-analogue of allanite-(Ce) in granite from Japan. IMA General Meeting, Kobe, July 2006, poster 31-9, abstract # 90168.
Miyawaki, R., K.Yokoyama, S. Matsubara, Y. Tsutsumi & A. Goto (2008): Uedaite-(Ce), a new member of the epidote group with Mn at the A site, from Shodoshima, Kagawa Prefecture, Japan. Eur. J. Mineralogy 20, 261-269. |
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Internet Links for Uedaite-(Ce) |
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| External Links: | Look for Uedaite-(Ce) on WebmineralLook for Uedaite-(Ce) on Athena MineralogyLook for Uedaite-(Ce) on WikipediaLook for Uedaite-(Ce) on Mineralien AtlasRaman and XRD data at RRUFF projectAmerican Mineralogist Crystal Structure DatabaseSearch for Uedaite-(Ce) in the Natural History Museum (London) online catalogue |
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Localities for Uedaite-(Ce) |