Brumado, Bahia, Brazil
Well formed Emerald crystals with excellent color on both sides of this Biotite schist from..
Brilliant euhedral Uvite (Tourmaline) crystals with bright green color perched on top of Ma..
As good as it gets for Uvite, which is a Tourmaline. A brilliant Uvite crystal perche..
Brilliant dark green Uvites (rare tourmaline) on Magnestite
Large Quartz crystal section healed on each end, with Uvite (Tourmaline) crystals up to 1.8cm on ..