Journal of Gemmology Precious Braswell 11/1/20 Journal of Gemmology Precious Braswell 11/1/20 An Unusual Synthetic Fancy Sapphire Colored by Co2+ and Co3+ Read More Journal of Gemmology Precious Braswell 5/1/19 Journal of Gemmology Precious Braswell 5/1/19 Identifying Synthetic Periclase 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 1/1/94 Journal of Gemmology Precious Braswell 1/1/94 Twinning in Ramaura Synthetic Rubies Read More Journal of the Gemmological Association of Australia, The Australian Gemmologist Precious Braswell 2/1/93 Journal of the Gemmological Association of Australia, The Australian Gemmologist Precious Braswell 2/1/93 A New Type of Synthetic Ruby on Market: Offered as Hydrothermal Rubies from Novosibirsk Read More
Journal of Gemmology Precious Braswell 11/1/20 Journal of Gemmology Precious Braswell 11/1/20 An Unusual Synthetic Fancy Sapphire Colored by Co2+ and Co3+ Read More
Journal of Gemmology Precious Braswell 5/1/19 Journal of Gemmology Precious Braswell 5/1/19 Identifying Synthetic Periclase 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 1/1/94 Journal of Gemmology Precious Braswell 1/1/94 Twinning in Ramaura Synthetic Rubies Read More
Journal of the Gemmological Association of Australia, The Australian Gemmologist Precious Braswell 2/1/93 Journal of the Gemmological Association of Australia, The Australian Gemmologist Precious Braswell 2/1/93 A New Type of Synthetic Ruby on Market: Offered as Hydrothermal Rubies from Novosibirsk Read More
