This uvite tourmaline is from the Pomba Pit in Serra das Egus, Brumado, Bahia, Brazil. This mine is a commercial producer of magnesite and talc however uvite and other accessory minerals, including emeralds are found there. The mine owners enforce a ban on mineral collecting that includes the miners that work there. Uvite is in the Tourmaline Group of minerals and it is a silicate that contains the elements Na, Mg, Al, Si, O, B and H. This specimen consists of a cluster of stacked uvite tourmaline crystals. It can be displayed from any side. The uvites are translucent to transparent with a bright vitreous luster. This cluster of crystals measures 5/8 x 1/2 x 3/8 inches or 16 x 12 x 9 mm.