Classification of Ronneburgite |
| IMA status: | Approved 1998 |
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| Strunz 8th edition ID: | 4/G.0-25
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| Nickel-Strunz 10th (pending) edition ID: | 8.AC.75
8 : PHOSPHATES, ARSENATES, VANADATES A : Phosphates, etc. without additional anions, without H2O C : With medium-sized and large cations |
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| mindat.org URL: | http://www.mindat.org/min-11000.html Please feel free to link to this page. |
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Type Occurrence of Ronneburgite |
| Type Locality: | Lichtenberg Absetzer Mine (dump), Ronneburg U deposit, Gera, Thuringia, Germany |
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| Year of Discovery: | 2001 |
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Physical Properties of Ronneburgite |
| Lustre: | Adamantine |
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| Diaphaneity (Transparency): | Translucent |
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| Colour: | Reddish brown |
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| Streak: | Orange brown |
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| Hardness (Mohs): | 3 |
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| Fracture: | Irregular/Uneven |
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| Density (measured): | 2.84 g/cm3 |
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| Density (calculated): | 2.85 g/cm3 |
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Crystallography of Ronneburgite |
| Crystal System: | Monoclinic |
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| Class (H-M): | 2/m - Prismatic |
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| Cell Parameters: | a = 8.183Å, b = 9.247Å, c = 8.651Å β = 109.74° |
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| Ratio: | a:b:c = 0.885 : 1 : 0.936 |
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| Unit Cell Volume: | V 616.1 ų |
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| Z: | 2 |
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Optical Data of Ronneburgite |
| Type: | Biaxial (-) |
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| RI values: | nα = 1.925 nβ = 1.960 nγ = 1.988 |
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| Maximum Birefringence: | δ = 0.063
 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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| Dispersion: | r > v strong |
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Chemical Properties of Ronneburgite |
| Formula: | |
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| Essential elements: | K, Mn, O, V |
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| All elements listed in formula: | K, Mn, O, V |
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Relationship of Ronneburgite to other Species |
Related Minerals - Nickel-Strunz Grouping):
- + | |
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Other Names for Ronneburgite |
| 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 Ronneburgite |
| Reference List: | Witzke, T., S. Zhen, K. Seff, T. Doering, L. Nasdala & U. Kolitsch (2001): Ronneburgite, K2MnV4O12, a new mineral from Ronneburg, Thuringia, Germany: Description and crystal structure.- American Mineralogist: 86: 1081-1086.
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Articles/Blogs about Ronneburgite |
Internet Links for Ronneburgite |
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| External Links: | Look for Ronneburgite on WebmineralLook for Ronneburgite on Athena MineralogyLook for Ronneburgite on WikipediaLook for Ronneburgite on Mineralien AtlasRaman and XRD data at RRUFF projectAmerican Mineralogist Crystal Structure DatabaseSearch for Ronneburgite in the Natural History Museum (London) online catalogue |
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Localities for Ronneburgite |