Hartite (Krantzite) from Lignite Mines, Enzenreith, Lower Austria, Austria

In 50 years of mineral collecting, we have never had or even seen a specimen of Krantzite. Occurs as glassy blebs in matrix. From old label, can only come from the type location. Strictly for the mineralogists.
Dimensions: 5.4 x 3.6 x 2.5 cm
Species: Hartite (Krantzite)
Locality: Lignite Mines, Enzenreith, Lower Austria, Austria