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Charles “Chuck” Fryer (查尔斯“查克”弗赖尔) (1928 - 2003)
World-renowned gem identification expert who guided GIA's lab services to the forefront of gemological research.
区分加热处理尖晶石与非加热处理天然尖晶石和合成尖晶石
据报道产自莫桑比克尼亚萨地区的红宝石
产自格陵兰岛 Aappaluttoq 的红宝石和粉红蓝宝石:正在进行的研究现状
An exploration of the distinction between jadeite and omphacite, plus GIA's current policy concerning the definition of these stones.
莫桑比克北部的红宝石采矿点考察报告(尼亚萨省和德尔加杜角省)
Lester Benson(莱斯特·本森)(1921 年-1961 年)
Renowned teacher, master of gem identification, and developer of gemological techniques and instruments.

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