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Robert Bentley Company, Inc. established 1983.
AGTA Member since 1995.
AGTA Board of Directors 2004 - 2013
AGTA Vice President, Spectrum Chair, Promotions Chair, Executive Committee
Amethyst, Aquamarine, Beads, Beryl, Chalcedony, Chrysoprase, Citrine, Fancy Color Sapphire, Garnet, Green Beryl, Lapis, Mint Garnet, Morganite, Paraiba Tourmaline, Peridot, Pink Tourmaline, Quartz, Rhodolite Garnet, Rock Crystal, Rutilated Quartz, Sapphire, Spessartite Garnet, Spinel, Tourmaline, Zircon