2013). MALAWI Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series...However, unusual discoveries in the famous alkaline pegmatites of Mount Malosa in the late 2000s include specimens...north of Usakos, are shot through with complex pegmatites rich in Sn, W, Ti and Fe, with some local enrichments...lustrous, have been collected intermittently from pegmatites of the region, associated with crystals of corundum...syenite pegmatites and carbonatites, while thinner tabular crystals are found in granitic pegmatites (Popov |