A so-called sanidine bomb from the Eifel Mts richly filled with nicely distributed hauyne crystals of skyblue to darkblue color and sanidine crystals. You can see the spherical form of the bomb encased in lava.
Size: 10,5 x 10,5 x 6,5 cm
Locality: In den Dellen Quarries, Niedermendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
