One of the rarest minerals from the region, Powellite is also one of the few minerals from the Deccan Traps that fluoresces! This specimen is exceptional by every measure. These large honey-colored, striated crystals of Powellite are in excellent condition and are perfectly presented in a lattice of Stilbite and Apophyllite interwoven with a lightly Hematite tinted Chalcedony. The mineral was named after American geologist John Wesley Powell, a director of the US Geological Survey in the 1800's. It was first discovered in Idaho, USA and later in the Atacama area of Chile. The most impressive specimens hail from the Deccan Traps. Nashik, Maharashtra, India. 6" x 4.5" x 3.5", 1.5 lbs.