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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

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Aegirine : NaFe3+[Si2O6]

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.-SchäferPhoto ID: 187121    View Count: 153

Aegirine-augite (Var: Porricin) : (Na,Ca)(Fe3+,Fe2+,Mg,Al)Si2O6

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.-SchäferPhoto ID: 97711    View Count: 329

Afghanite : (Na,Ca,K)8[(Cl2,SO4,CO3)3|Al6Si6O24] · 0.5H2O

Caspar quarry, Ettringer Bellerberg Mt. (Bellberg Mt.; Bellenberg Mt.; Billenberg Mt.; Boilenberg Mt.), Bellerberg volcano, Ettringen, Mayen, Eifel Mts, Rhineland-Palatinate, Germany

Prismatic crystal with additional pyramidal faces embedded in a matrix consisting of Melilite, Garnet and Calcite, associated by a black Pyroxene. Field of view is 4 mm, collection C. &H. Schäfer
 © C.H.M.-SchäferPhoto ID: 236695    View Count: 44

Afwillite : Ca3[HSiO4]2 · 2H2O

Caspar quarry, Ettringer Bellerberg Mt. (Bellberg Mt.; Bellenberg Mt.; Billenberg Mt.; Boilenberg Mt.), Bellerberg volcano, Ettringen, Mayen, Eifel Mts, Rhineland-Palatinate, Germany

Picture width 3 mm. Collection Willi Schüller, Photo Stephan Wolfsried
 © Stephan WolfsriedPhoto ID: 94875    View Count: 567

Afwillite : Ca3[HSiO4]2 · 2H2O

Caspar quarry, Ettringer Bellerberg Mt. (Bellberg Mt.; Bellenberg Mt.; Billenberg Mt.; Boilenberg Mt.), Bellerberg volcano, Ettringen, Mayen, Eifel Mts, Rhineland-Palatinate, Germany

Field of view 5 mm. Collection M. Kampf No 72-053.
 © 2005 M. KampfPhoto ID: 29592    View Count: 818

Afwillite : Ca3[HSiO4]2 · 2H2O

Caspar quarry, Ettringer Bellerberg Mt. (Bellberg Mt.; Bellenberg Mt.; Billenberg Mt.; Boilenberg Mt.), Bellerberg volcano, Ettringen, Mayen, Eifel Mts, Rhineland-Palatinate, Germany

Picture width 3 mm. Collection Bernd Ternes. Photo Stephan Wolfsried
 © Stephan WolfsriedPhoto ID: 97335    View Count: 276

Afwillite : Ca3[HSiO4]2 · 2H2O, Ettringite : Ca6Al2[(OH)4|SO4]3 · 26H2O

Caspar quarry, Ettringer Bellerberg Mt. (Bellberg Mt.; Bellenberg Mt.; Billenberg Mt.; Boilenberg Mt.), Bellerberg volcano, Ettringen, Mayen, Eifel Mts, Rhineland-Palatinate, Germany

Picture width 3 mm. Collection Bernd Ternes. Photo Stephan Wolfsried
 © Stephan WolfsriedPhoto ID: 97337    View Count: 253

Afwillite : Ca3[HSiO4]2 · 2H2O

Caspar quarry, Ettringer Bellerberg Mt. (Bellberg Mt.; Bellenberg Mt.; Billenberg Mt.; Boilenberg Mt.), Bellerberg volcano, Ettringen, Mayen, Eifel Mts, Rhineland-Palatinate, Germany

Picture width is 3mm. Platy colorless crystals of Afwillite. Depth of field is achieved with CombineZM.
 © Elmar LacknerPhoto ID: 96182    View Count: 252

Afwillite : Ca3[HSiO4]2 · 2H2O

Caspar quarry, Ettringer Bellerberg Mt. (Bellberg Mt.; Bellenberg Mt.; Billenberg Mt.; Boilenberg Mt.), Bellerberg volcano, Ettringen, Mayen, Eifel Mts, Rhineland-Palatinate, Germany

Picture width 3 mm. Collection Bernd Ternes. Photo Stephan Wolfsried
 © Stephan WolfsriedPhoto ID: 97336    View Count: 231

Åkermanite : Ca2Mg[Si2O7]

Caspar quarry, Ettringer Bellerberg Mt. (Bellberg Mt.; Bellenberg Mt.; Billenberg Mt.; Boilenberg Mt.), Bellerberg volcano, Ettringen, Mayen, Eifel Mts, Rhineland-Palatinate, Germany

Picture width 3 mm. Collection and photo Stephan Wolfsried
 © Stephan WolfsriedPhoto ID: 99866    View Count: 506
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