By Jason Mitchell Tanzania is emerging as an important hub for the mining of green energy transition minerals in East Africa despite the government taxing the sector heavily. The country is abundant in minerals and natural resources – including gold, lithium, diamonds, coal and natural gas. As of 2021, almost 500 active licence-holders were exploring more than 40 kinds of minerals in the country. They include gemstones (such as ruby, aquamarine, tanzanite, sapphire, emerald, rhodolite, opal, zircon, alexandrite, garnet, tourmaline, spinel, peridot and iolite); iron and base metals (nickel and …