Flörkeite 
 
From : Löhley, Üdersdorf, Eifel, Germany
 
The rare Zeolite mineral Flörkeite is known up to now only from a few localities in the Eifel-mountains.It occurs in colourless radial aggregated crystals on volcanic rock.
Very rich and analysed specimen.
 
Dimensions : 2,5 x 2 x 2,3 cm