What is the chemical composition of an emerald?

Detailed description, properties, and locality information guide about green the beryl mineral emerald. ... However, the Native South American civilizations such as the Incas have had high quality Emeralds from the mines of Colombia, which have traditionally produced the highest quality ... Chemical Formula, Be3Al2Si6O18. read more

Emerald Gemstone is made of mineral Beryl. The chemical composition of Emerald Gemstone is Be 3 Al 2 (SiO 3) 6. Its exact magnitude is 2.67 – 2.78 and refractive index series is 1.566 – 1.602. read more

Emerald is the green gemstone variety of the mineral Beryl (the blue variety of the mineral Beryl is Aquamarine). Beryl is beryllium aluminum silicate, with the known chemical composition of Be 3 Al 2 Si 6 O 18. read more

Synthetic emeralds are often referred to as"created", as their chemical and gemological composition is the same as their natural counterparts. The U.S. Federal Trade Commission (FTC) has very strict regulations as to what can and what cannot be called a"synthetic" stone. read more