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UDAWATTE CP, ABEYWEERA S, PERERA LRK, ILLANGASINGHE S, WEERASOORIYA C, SUTTHIRAT C, JAYASINGHE N, DHARMARATNE T, DIYABALANAGE S. Optimized conditions for cobalt diffusion in Sri Lankan colorless topaz and coloration mechanism elucidation through spectro-chemical investigation. J Met Mater Miner [Internet]. 2023 Mar. 28 [cited 2024 Jul. 14];33(1):73-81. Available from: https://jmmm.material.chula.ac.th/index.php/jmmm/article/view/1596