Annotations for Groovy Gems

Abdo Group
Dig into the world of geology with the Rock On! series! Groovy Gems introduces readers to what gems are and how they form, including mineral gems and organic gems. Chapters discuss crystal systems, imitation and synthetic gems, cultured pearls, how gems

Baker & Taylor
Introduces gems, including where they are found, how they are formed, their properties, uses, history, and manufacture of imitation and synthetic gems.