Janaki D, Gunavathi P, Balasubramaniam P, Alagesan A. Characterization and identification of elemental sulphur, iron pyrite, mineral gypsum, phospho gypsum and marine gypsum using SEM-EDAX. Plant Sci. Today [Internet]. 2025 Jan. 28 [cited 2025 Apr. 2];12(1). Available from: https://horizonepublishing.com/journals/index.php/PST/article/view/5882