Janaki, D., Gunavathi, P., Balasubramaniam, P. and Alagesan, A. 2025. Characterization and identification of elemental sulphur, iron pyrite, mineral gypsum, phospho gypsum and marine gypsum using SEM-EDAX. Plant Science Today. 12, 1 (Jan. 2025). DOI:https://doi.org/10.14719/pst.5882.