Sources indicate that in the early 1990s opal, a typical gemstone surfaced in Mezezo, North Shoa Zone of Amhara State. The type of gem was called Chocolate opal because of the chocolate colour inside ...

The federal government will soon ban the export of rough opal, a precious gemstone; a move aimed at persuading exporters to add value and hence increase revenues, according to senior officials at the ...

Victoire de Castellane, the Paris-based creative director for Dior fine jewelry, remembers the moment that opals, which are formed from silica in fissures of rocks, first captivated her. At age 6, she ...