| Locality type: | Quarry |
| Classification |
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| Species: | Ferri-obertiite |
| Formula: | NaNa2(Mg3Fe3+Ti)Si8O22O2 |
| Comments: | Ferri-Obertiite is confirmed by EMPA, Fe/Mn ratio is ~ 7:1, |
| Confirmation |
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| Validity: | Confirmed |
| Confirmation Methods: | EPMA |
| Data |
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| Mineral Data: | Click here to view Ferri-obertiite data |
| Locality Data: | Click here to view Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 919562 |
| Long-form Identifier: | 1:3:919562:2 |
| GUID (UUID V4): | 938d9840-ca48-4d5a-990f-3fb14303afdc |
| Nearest other occurrences of Ferri-obertiite |
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| 5.8km (3.6 miles) | ⓘRothenberg Quarry, Bell, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany |
| 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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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 |
| 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) | | pp. 641–651 Ferri-obertiite from the Rothenberg quarry, Eifel volcanic complex, Germany: mineral data...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...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 |  | | Journal (issue) | | Mineral Names (Continues from previous page) Ferri-obertiite - Na(Na 2){Mg3Fe~i)(Si 8 O2JO 2 Pink-orange...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...58 (11) A3.The space group is C2/m, Z = 2. Ferri-obertiite is biaxial (+), with alpha= 1.664, beta= 1... G. (2017): Ferri-obertiite from the Rothenberg quarry, Eifel volcanic complex (Germany): mineral data |  | | Book | | metasomatic sanidine from Volkesfeld, Eifel Mts., Germany contains only traces of structurally bound hydrogen...the series clinoferri-holmquistite – clino-ferro-ferri-holmquistite have been synthesized hydrothermally...A-site-vacant amphiboles belonging to the clino-ferro-ferri-holmquistite – riebeckite solid-solution series...cm−1 in the IR spectra of clino-ferri-holmquistite, clino-ferro-ferri-holmquistite and magnesioriebeckite...amphiboles along the clino-ferri-holmquistite – magnesioriebeckite join (except clino-ferri- holmquistite endmember) |
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Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany