A Mineral County man has been charged with murder in the shooting death of his brother Sunday after police responded to a “shots fired” call at the Beryl area address where both men resided, according ...

Emeralds are formed of a mineral called beryl whose chemical formula is a complex mix of beryllium, aluminum, silicon, and oxygen. The color comes from additional traces of chromium and vanadium.

Each aluminum ion is surrounded by six oxygen ions. Emeralds are mainly made up of the mineral beryl, which is made from the ...

Emerald Valued at $483 million per gram, these gemstones are derived from the beryl mineral, with its renowned shade of green stemming from the elements chromium and vanadium. Emerald gemstones ...