摘要:This paper describes the first occurrence of bismuth telluride in the Izerskie Garby contact zone. In nature, thereare 4 known bismuth tellurides: hedleyite (Bi7Te3), pilsenite (Bi4Te3), tsumoite (BiTe) and tellurobismuthite (Bi2Te3). Theyare typical accessory minerals of the polymetallic skarns. The Ca-skarns of the "Stanisław" quarry in the Izerskie Garby,bismuth telluride occurs in association with pyrrhotite, chalcopyrite, sphalerite, and wollastonite and tend to form irregularclusters up to 40μm long and 15μm width . Research methods used so far (SEM) does not allow for unequivocal identificationof studied mineral. Therefore, it is necessary to conduct further tests using the electron microprobe.
关键词:bismuth telluride; Izerkie Garby Zone; skarns; Sudetes; SEM.