Journal of Gemmology Precious Braswell 12/1/19 Journal of Gemmology Precious Braswell 12/1/19 Heated Sapphires With Unstable Color Centers Read More InColor Magazine Precious Braswell 3/21/10 InColor Magazine Precious Braswell 3/21/10 AGL Discusses the Latest “New” Ruby Heat Treatment Coming out of Thailand Read More InColor Magazine, Gems & Gemology Precious Braswell 12/1/02 InColor Magazine, Gems & Gemology Precious Braswell 12/1/02 Chart of Commercially Available Gem Treatments Read More Precious Braswell 1/1/95 Precious Braswell 1/1/95 A Contribution to Understanding the Infrared Spectra of Rubies from Mong Hsu, Myanmar Read More
Journal of Gemmology Precious Braswell 12/1/19 Journal of Gemmology Precious Braswell 12/1/19 Heated Sapphires With Unstable Color Centers Read More
InColor Magazine Precious Braswell 3/21/10 InColor Magazine Precious Braswell 3/21/10 AGL Discusses the Latest “New” Ruby Heat Treatment Coming out of Thailand Read More
InColor Magazine, Gems & Gemology Precious Braswell 12/1/02 InColor Magazine, Gems & Gemology Precious Braswell 12/1/02 Chart of Commercially Available Gem Treatments Read More
Precious Braswell 1/1/95 Precious Braswell 1/1/95 A Contribution to Understanding the Infrared Spectra of Rubies from Mong Hsu, Myanmar Read More