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 4/1/18 Journal of Gemmology Precious Braswell 4/1/18 Sri Lankan Sapphire with Spinel Inclusions 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 Journal of Gemmology Precious Braswell 12/1/15 Journal of Gemmology Precious Braswell 12/1/15 Chromium-diffused Corundum Read More Journal of Gemmology Precious Braswell 12/1/15 Journal of Gemmology Precious Braswell 12/1/15 Quartz Imitation of Star Sapphire Read More Journal of Gemmology Precious Braswell 2/1/14 Journal of Gemmology Precious Braswell 2/1/14 Sapphire with a Large Spessartine Inclusion from Songea, Tanzania Read More WJA News San Diego Precious Braswell 7/1/12 WJA News San Diego Precious Braswell 7/1/12 The Buddha Blue Read More World of Gems Conference Precious Braswell 12/1/08 World of Gems Conference Precious Braswell 12/1/08 Forensic Gemology: Geographic Origin Determinations 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 4/1/18 Journal of Gemmology Precious Braswell 4/1/18 Sri Lankan Sapphire with Spinel Inclusions 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
Journal of Gemmology Precious Braswell 12/1/15 Journal of Gemmology Precious Braswell 12/1/15 Chromium-diffused Corundum Read More
Journal of Gemmology Precious Braswell 12/1/15 Journal of Gemmology Precious Braswell 12/1/15 Quartz Imitation of Star Sapphire Read More
Journal of Gemmology Precious Braswell 2/1/14 Journal of Gemmology Precious Braswell 2/1/14 Sapphire with a Large Spessartine Inclusion from Songea, Tanzania Read More
WJA News San Diego Precious Braswell 7/1/12 WJA News San Diego Precious Braswell 7/1/12 The Buddha Blue Read More
World of Gems Conference Precious Braswell 12/1/08 World of Gems Conference Precious Braswell 12/1/08 Forensic Gemology: Geographic Origin Determinations Read More
