Beryl is a mineral composed of beryllium aluminum silicate, and it comes in various colors, including green (emerald), blue (aquamarine), and red (red beryl). The study of beryl mineralogy and its ...
Courtesy Daniel Trinchillo, Fine Minerals International Aquamarine is the green-blue to blue variety of the mineral beryl. (Emerald is the green to bluish green variety of the same mineral.) Its color ...
Photo by Eric Welch/GIA. Emerald is the green to bluish green variety of beryl, a mineral species that also includes aquamarine as well as beryls in other colors. Gem experts differ on the degree of ...