Emerald is a gemstone and a variety of the mineral beryl colored green by trace amounts of chromium or sometimes vanadium. Beryl has a hardness of 7.5–8 on the Mohs scale. Most emeralds have many incl
Emerald crystal from Muzo, Colombia
Main emerald producing countries
Brazilian emerald (grass-green variety of the mineral beryl) in a quartz-pegmatite matrix with typical hexagonal, prismatic crystals
Beryl is a mineral composed of beryllium aluminium silicate with the chemical formula Be3Al26. Well-known varieties of beryl include emerald and aquamarine. Naturally occurring hexagonal crystals of b
Main beryl producing countries