Andy Acker on Instagram: "Rubellite Tourmaline Ofiki, Atisbo, Oyo State, Nigeria Ex. Bill and Anne Cook, Ex. Darrell Phillips 1.5 x 1.8 x 2.4 cm - 12.95 grams - Mindat ID - RVG - V9V Available- $2000+ shipping. Comment "Sold" or DM to claim The mining history of Nigeria is still in many ways, in its infancy, shielded by the colonial race for exploitation and control that broke apart the continent nearly a century before. With the arrival of the British in the early 1900s, a wave of geologic surv