Introduction
A.G Nisama Limited, Established since 1989 is an African, Nigerian based merchant company that deals in solid minerals and rough gemstones found in the African Soil.
We've been in business for decades and we've proudly supplied varieties of assorted rough and faceted gemstones ranging from Amethyst, Emeralds, Garnets, Sapphires, Tourmalines and many more to several satisfied customers from around the world.
Our concentrations and supplies also extend to the following industrial minerals, namely: Lead, Zinc, Tin, Tantalite, Niobium, Iron and many more. Our sources are mine direct thus making our prices unbeatable. Come share our experience with and be glad you did.
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Oro Blue Tourmaline Mine Nigeria 
More Information about our mines.