This concise and easy-to-use guide reveals the rich variety of precious stones. It contains over 400 examples of various precious stones. It’s the perfect companion for those who collect precious stones everywhere they are found. It covers all major types of precious stones, including cut precious stones, valuable metallic minerals, and organic gems. There are also stunning photographs taken up close and carefully crafted for this guide, which describe each gemstone in detail and highlight its key features and main cuts. The guide also includes lists that describe the main characteristics of each gemstone, providing quick and easy access to important information.