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Actinolite : ☐Ca2(Mg,Fe2+)5(Si8O22)(OH)2 | |
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In den Dellen quarries, Niedermendig, Mendig, Laach lake volcanic complex, Eifel Mts, Rhineland-Palatinate, Germany Acicular Actinolite crystals embedded in Quartz, field of view 10 mm, collection C.&H. Schäfer |
| © C.H.M.-Schäfer | Photo ID: 187120 View Count: 172 |
Actinolite : ☐Ca2(Mg,Fe2+)5(Si8O22)(OH)2 | |
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Hüttenberg Mt., Glees, Niederzissen, Eifel Mts, Rhineland-Palatinate, Germany Fibrous Actinolite in mica-schist, Quartz, Mn-oxides, field of view 20 mm, collection C.&H. Schäfer |
| © C.H.M.-Schäfer | Photo ID: 187119 View Count: 106 |
Aegirine : NaFe3+[Si2O6] | |
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Caspar quarry, Ettringer Bellerberg Mt. (Bellberg Mt.; Bellenberg Mt.; Billenberg Mt.; Boilenberg Mt.), Bellerberg volcano, Ettringen, Mayen, Eifel Mts, Rhineland-Palatinate, Germany Short prismatic black Aegirine crystal associated with Quatz-beta and a brown Richterite/Fluororichterite. Aegirine and Richterite are confirmed by SEM-EDS. Further minerals of this xenolithe are: Sanidine, Ilmenite, Phlogopite and Magnesioarfvedsonite. Field of view 2 mm, collection C.&H. Schäfer |
| © C.H.M.-Schäfer | Photo ID: 187121 View Count: 153 |
Aegirine : NaFe3+[Si2O6] | |
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"In der Ahl" Quarry, Hochsimmer volcano, Mayen, Eifel Mts, Rhineland-Palatinate, Germany Acicular Aegirine crystals on Sanidine, field of view 5 mm, collection C.&H. Schäfer |
| © C.H.M. Schäfer | Photo ID: 185050 View Count: 120 |
Aegirine : NaFe3+[Si2O6], Pyroxmangite : MnSiO3 | |
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Ettringer Bellerberg Mt. (Bellberg Mt.; Bellenberg Mt.; Billenberg Mt.; Boilenberg Mt.), Bellerberg volcano, Ettringen, Mayen, Eifel Mts, Rhineland-Palatinate, Germany Aegirine on Pyroxmangite (epitactic) from the Ettringer Bellerberg. Image width: 2 mm. Collection: Willi Schüller, Adenau. Photo: Fred Kruijen. |
| © Fred Kruijen | Photo ID: 250166 View Count: 46 |
Aegirine-augite : (Na,Ca)(Fe3+,Fe2+,Mg,Al)Si2O6 | |
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In den Dellen quarries, Niedermendig, Mendig, Laach lake volcanic complex, Eifel Mts, Rhineland-Palatinate, Germany Aegirine-augite, acicular crystals on Sanidine, Haüyne, field of view 12 mm, collected 2003, photographer Markus Schäfer, collection C.&H. Schäfer |
| © C.H.M.-Schäfer | Photo ID: 43396 View Count: 1236 |
Aegirine-augite : (Na,Ca)(Fe3+,Fe2+,Mg,Al)Si2O6, Richterite : Na[CaNa][Mg5][(OH)2|Si8O22] | |
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Laach lake volcanic complex, Eifel Mts, Rhineland-Palatinate, Germany Richterite epitactic grown on Aegirin-Augite. Picture width 6 mm. Collection Christof Schäfer. Photo Stephan Wolfsried |
| © Stephan Wolfsried | Photo ID: 102077 View Count: 309 |
Aegirine-augite : (Na,Ca)(Fe3+,Fe2+,Mg,Al)Si2O6 | |
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In den Dellen quarries, Niedermendig, Mendig, Laach lake volcanic complex, Eifel Mts, Rhineland-Palatinate, Germany Aegerine-Augite crystals on matrix. Field of view mm 4,5x3 Photo Enrico Bonacina collection Fabio Brignoli (roccelllans) |
| © Enrico Bonacina | Photo ID: 203517 View Count: 135 |
Aegirine-augite (Var: Porricin) : (Na,Ca)(Fe3+,Fe2+,Mg,Al)Si2O6 | |
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Caspar quarry, Ettringer Bellerberg Mt. (Bellberg Mt.; Bellenberg Mt.; Billenberg Mt.; Boilenberg Mt.), Bellerberg volcano, Ettringen, Mayen, Eifel Mts, Rhineland-Palatinate, Germany Acicular crystals of “Porricine” on Quartz, field of view 75 mm, collection C.&H. Schäfer |
| © C.H.M.-Schäfer | Photo ID: 97711 View Count: 329 |
Aeschynite-(Ce) : (Ce,Ca,Fe,Th)(Ti,Nb)2(O,OH)6 | |
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Krufter Ofen, Kruft, Laach lake volcanic complex, Eifel Mts, Rhineland-Palatinate, Germany Aggregate of striated prismatic crystals, Sanidine, Biotite, field of view 2 mm, photographer Markus Schäfer, collection C.&H. Schäfer |
| © C.H.M.-Schäfer | Photo ID: 61214 View Count: 454 |
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