This is an very interesting sample of a typical hydrothermal Cu /Pb /Zn Deposit,there is even a Wolframite crystal on it (5mm) which is rare in this combination,some of the
 Chalcopyrite crystals are over 1cm,nice mixed with Sphalerite and rounded Galena crystals.

 各鉱物のコンビネーションがめずらしい標本