mar·ca·site /ˈmɑrkəˌsaɪt, ˌzaɪt; ˌmɑrkəˈzit/ 白鐵礦
Mar·ca·site n. Min. A sulphide of iron resembling pyrite or common iron pyrites in composition, but differing in form; white iron pyrites. Golden marcasite, tin. [Obs.] ◄ ►