An approach to understanding the factors in the emerald enhancement clarity grading system used at CDTECGemlab

Museums are unique repositories of international treasures. They are also places of active research,

Malacacheta, located in Minas Gerais, Brazil, is renowned for its alexandrite deposits and com-plex

Euclase, monoclinic crystal system—is a seldomly occurring mineral and with a Mohs hardness of 7 a