Journal of Gemmology Precious Braswell 3/1/16 Journal of Gemmology Precious Braswell 3/1/16 Large Pink Sapphire with Diffusion-Induced Star Read More Gems & Gemology Precious Braswell 10/1/02 Gems & Gemology Precious Braswell 10/1/02 “Diffusion Ruby” Proves to be Synthetic Ruby Overgrowth on Natural Corundum Read More
Journal of Gemmology Precious Braswell 3/1/16 Journal of Gemmology Precious Braswell 3/1/16 Large Pink Sapphire with Diffusion-Induced Star Read More
Gems & Gemology Precious Braswell 10/1/02 Gems & Gemology Precious Braswell 10/1/02 “Diffusion Ruby” Proves to be Synthetic Ruby Overgrowth on Natural Corundum Read More
