Unearth a treasure trove of knowledge of over 130 gemstones from around the world.Learn how gemstones are formed and how to recognise them by their unique qualities and colours. A wonderful book for beginners, students, and gemstone-enthusiasts that includes the latest scientific research and gemstone classification.Gemstones is filled with all you need to know about these fascinating minerals - cut and uncut stones, organic gemstones, and precious metals. Inside you'll find:- Fast facts for quick reference, including chemical composition, hardness, gravity, lustre, and reflective value- Photo close-ups of key details and highlights of distinguishing features- Illustrations of faceting and shapes popular for each gemstone- A detailed introduction to everything a beginner gemologist needs to know including how gemstones form, the different properties, crystal shapes, faceting, and the history of gems