NeoTerra plc has produced premium acid-grade fluorspar while separating heavy rare earths and gallium-bearing materials in a “metallurgical breakthrough” for its Monte Muambe project in Mozambique. STAGES The metallurgical testwork, at Cardiff-based Maelgwyn Mineral Services’ laboratory, has so far involved 14 scout flotation tests on blended fluorspar ore samples. NeoTerra, formerly Altona Rare Earths*, said […]