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Almarudite from
Caspar quarry, Bellerberg volcano, Ettringen, Mayen, Mayen-Koblenz, Rhineland-Palatinate, Germany

Locality type:Quarry
Classification
Species:Almarudite
Formula:K(□,Na)2(Mn2+,Fe2+,Mg)2(Be,Al)3[Si12O30]
Habit:six-sided tabular crystals to 1.5 mm across
Colour:yellow, orange
Luminescent properties:none
Quality for species:Excellent - world class for species or very significant. (!!)
Abundance at site:Very Rare
Confirmation
Validity:Valid - Type Locality
References
References:T. Mihajlovic et al.: N. Jb. Mineral. 179:265-294 (2004); Rondorf, A. & Rondorf, E. (2008): Almarudit vom Bellerberg/Eifel. Mineralien-Welt 19 (5), 4.
Associated Minerals:
Associates:Braunite
Hematite
Quartz
Sanidine
Tridymite
Data
Mineral Data:Click here to view Almarudite data
Locality Data:Click here to view Caspar quarry, Bellerberg volcano, Ettringen, Mayen, Mayen-Koblenz, Rhineland-Palatinate, Germany
 
Mineral and/or Locality  
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