Highlights High Light Rare Earths Leach Recoveries Praseodymium (“Pr”) leach recoveries of 85% at optimal conditionsNeodymium (“Nd”) leach recoveries of 84% at optimal conditions Encouraging Heavy Rare Earths Leach Recoveries Terbium (“Tb”) leach recoveries of 52% at optimal conditionsDysprosium (“Dy”) leach recoveries of 46% at optimal conditions Significantly lower impurity elements of iron and aluminum Concentrations of iron and aluminum impurities post leach are approximately 5.0x and 2.9x, respectively ...