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 12/1/16 Journal of Gemmology Precious Braswell 12/1/16 Petroleum Inclusion in Pink Spinel Read More InColor Magazine Precious Braswell 3/21/12 InColor Magazine Precious Braswell 3/21/12 Spinel and its Treatments: A Current Status Report Read More InColor Magazine Precious Braswell 3/21/08 InColor Magazine Precious Braswell 3/21/08 A Closer Look at Vietnamese Spinel 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 12/1/16 Journal of Gemmology Precious Braswell 12/1/16 Petroleum Inclusion in Pink Spinel Read More
InColor Magazine Precious Braswell 3/21/12 InColor Magazine Precious Braswell 3/21/12 Spinel and its Treatments: A Current Status Report Read More
InColor Magazine Precious Braswell 3/21/08 InColor Magazine Precious Braswell 3/21/08 A Closer Look at Vietnamese Spinel Read More
