| Locality type: | Quarry |
| Classification |
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| Species: | Mangani-obertiite |
| Formula: | NaNa2(Mg3Mn3+Ti4+)Si8O22O2 |
| Comments: | A mineral with the empirical formula (K0.18Na0.84)(Na1.86Ca0.08Fe2+0.06)(Mg3.09Zn0.01Li0.03Fe3+0.29Mn3+0.37Fe2+0.41Ti4+0.86Al0.03)Si8.00O22[(OH)0.20F0.26O1.54] was published by Hawthorne et al (2000) as obertiite, but was later renamed ferri-obertiite and then mangani-obertiite. See the respective mineral pages for further details. |
| Confirmation |
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| Validity: | Valid - Type Locality |
| Associated Minerals Based on Photo Data: |
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| Sanidine | ⓘ3 photos of Mangani-obertiite associated with Sanidine at this locality. |
| Obertiite Root Name Group | ⓘ2 photos of Mangani-obertiite associated with Obertiite Root Name Group at this locality. |
| Data |
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| Mineral Data: | Click here to view Mangani-obertiite data |
| Locality Data: | Click here to view Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany |
| Photo Gallery | View Gallery (3 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 314535 |
| Long-form Identifier: | 1:3:314535:7 |
| GUID (UUID V4): | 4340785c-f057-4756-8ba8-8df3df935cd1 |
| Nearest other occurrences of Mangani-obertiite |
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| 9.7km (6.0 miles) | ⓘNickenicher Weinberg, Nickenich, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany |
| 10.3km (6.4 miles) | ⓘNickenicher Sattel, Nickenich, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany |
| 12.7km (7.9 miles) | ⓘWannenköpfe Quarry, Ochtendung, Maifeld, Mayen-Koblenz, Rhineland-Palatinate, Germany |
| 13.1km (8.1 miles) | ⓘHerchenberg, Burgbrohl, Brohltal, Ahrweiler, Rhineland-Palatinate, Germany |
| 37.8km (23.5 miles) | ⓘEmmelberg, Üdersdorf, Daun, Vulkaneifel, Rhineland-Palatinate, Germany |
| References |
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Hawthorne, Frank C., Cooper, Mark A., Grice, Joel D., Ottolini, Luisa (2000) A new anhydrous amphibole from the Eifel region, Germany: Description and crystal structure of obertiite, NaNa2(Mg3Fe3+Ti4+)Si8O22O2. American Mineralogist, 85 (1) 236-241 doi:10.2138/am-2000-0124 |
| Reference Search (possible matching items) |
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 | Oberti, Roberta, Boiocchi, Massimo, Hawthorne, Frank C., Ball, Neil A., Blass, Günter (2017) Ferri-obertiite from the Rothenberg quarry, Eifel volcanic complex, Germany: mineral data and crystal chemistry of a new amphibole end-member. Mineralogical Magazine, 81 (3) 641-651 doi:10.1180/minmag.2016.080.117 | Journal (article/letter/editorial) | | 641–651 Ferri-obertiite from the Rothenberg quarry, Eifel volcanic complex, Germany: mineral data and...Merzbachstrasse 6, 52246 Eschweiler-St-Joris, Germany [Received 24 November 2015; Accepted 11 May 2016;...Pink-orange crystals of a composition within the ferri-obertiite compositional space were found in vesicles in...vein found from a basalt quarry at Mount Rothenberg, Eifel district, Germany. Associated minerals are... eifelite (the second occurrence after the Caspar quarry at Bellerberg volcano, Eifel region), tridymite |
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Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany