Lightblue Hauyne xls in sanidine matrix from the Eifel Mts in Germany which very extraordinarily glow bright orange under UV. Only 10-15 % of the hauyne occuring there show this reaction.
Size: 5.4 x 5.0 x 2.0 cm
Locality: In den Dellen Quarries, Niedermendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
