Basalt quarry, Roth, Driedorf, Lahn-Dill-Kreis, Giessen Region, Hesse, Germany
Lustrous, white natrolite crystals up to 7 mm length. See second image for complete specimen.
© Christian Bracke
Specimen size is 5 x 3 cm. Ex. H. & B. Dilcher coll.
© Stefan Koch
peter neschen collection (D-0485G) Nikon D7000 + Sigma 150mm Apo Macro + Helicon Focus 7