EOSC 118 Lecture Notes - Lecture 13: Gemology, Beryllium, Ruby
Document Summary
Learning objectives: describe briefly the significance of emerald and aquamarine through history. There has always been constant demand for beryl and so there is constant research being done on the gemology of beryl deposits. Emeralds: emeralds are vibrant green variety of beryl and are as valuable as sapphires, rubies, and diamonds. They"ve been appreciated since ancient egypt and greece (there are mentions of emeralds in the artifacts) as well as india, and south america specifically the aztecs who had emerald jewelry. An emerald is the beryl variation that is composed of cr and v according to experts. The fe variety is not considered to be an emerald by experts. Aquamarine: this gem is the light dark blue variety of beryl. It has a delicate green tone however the deep blue coloration of this gem is the most coveted. Aquamarine is also mentioned in ancient texts in.
