Tetrahedrite@Žl–Ê“ºz
‰»ŠwŽ®@
(Cu,Fe)
12
(Sb,As)
4
S
13
Œ‹»Œn@
“™Ž²»Œn
ƒ‹[ƒ}ƒjƒA@‚P‚X‚W‚Q
”N