The Mineral Industry of Ethiopia in 2013 USGS Mineral Resources .
Jan 6, 20162013 Minerals Yearbook. U.S. Department of the Interior. U.S. Geological Survey. ETHIOPIA [ADVANCE RELEASE]. January 2016.get price>>
Scheelite: Scheelite mineral information and data. Mindat
Powellite Scheelite SeriesA primary mineral commonly found as a component of contact metamorphic tactite; in high temperature hydrothermal veins and.get price>>
Scheelite is a calcium tungstate mineral with the chemical formula CaWO4. It is an important ore of tungsten (wolfram). Well formed crystals are sought by.get price>>