Key Laboratory of Metallogenic Prediction of Nonferrous Metals and Geological Environment Monitoring Ministry of Education;
Central South University;
Changsha 410083;
China;
School of Geoscience and Info-physics;
Central South University;
Changsha 410083;
China;
Natural; sphalerite; Mineralogical; properties; Band; gap; Photodegradation; of; Methyl; Orange;