Granitic Pegmatites as Sources of Colored Gemstones Granitic Pegmatites, Thematic Articles / William B. Simmons This content is for Registered members only. To subscribe, please join one of our participating societies or contact the Editorial Team. Login Granitic Pegmatites as Sources of Colored Gemstones Read More »
Laboratory-Treated Gemstones Gems, Thematic Articles / James E. Shigley This content is for Registered members only. To subscribe, please join one of our participating societies or contact the Editorial Team. Login Laboratory-Treated Gemstones Read More »
High-Pressure High Temperature Treatment of Gem Diamonds Diamonds, Thematic Articles / James E. Shigley This content is for Registered members only. To subscribe, please join one of our participating societies or contact the Editorial Team. Login High-Pressure High Temperature Treatment of Gem Diamonds Read More »