Coltan is one of the most sought-after minerals ... At the plant, the material is washed to remove larger stones, leaving only particles smaller than 2 millimetres. The smaller particles are ...

In our place, the said coltan comes as a shiny or dull black metallic stones (ores), which we used to kill birds with when we were growing up. Little did we know that the so-called 'obscure ...

Authorities of the Liberia National Police (LNP) are investigating a suspected mineral smuggling in Pogbaken Town, Karluway District, Maryland County, after 34 kilograms of coltan were allegedly ...