TETRAHEDRITE (Cu,Fe)12Sb4S13 (cubic) . Pasto Bueno, Ancash, Peru . 黝銅礦晶体常見正四面体，黑色金屬光澤，硬度 3~4.5， 與石英，碳酸鹽類，硫化物共生於熱液礦脈中．

著名產地∼Peru; Broken Hill, Australia; Mexico; Germany and others.

經典名礦欣賞 ．２．３．４．５．Tetrahedrite coated with brassy chalcopyrite．２
NO.242