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