This famous book takes you on an extensive gem and mineral collecting tour of Colorado, revealing the interesting places where Nature has stored her treasures.
Detailed directions are given for reaching the noted as well as the little-known localities in all sections of this great mineral-producing state. Included are numerous mileage logs never before published, and many sketch maps made especially for this book. A unique system arranges the localities along segments of the main highways.
Latest information is given on local travel and collecting conditions and land ownership, so...

Popular Gemmology constitutes a definitive guide on many aspects of gemmology, covering a wide range of natural and manufactured gems, their taxonomy, and the methods in which they are machined. The perfect book for both the amateur and professional, this text presents in an accessible manner for the general reader accurate knowledge of the world of gems, designed for the gem-lover, mineral collector, jeweller, and the lapidary. The sections of this book are divided according to the major style of cutting most appropriate for each gem, with chapters including: The Lure of Gems, Recognising...

This book contains classic material dating back to the 1900s and before. The content has been carefully selected for its interest and relevance to a modern audience. Carefully selecting the best articles from our collection we have compiled a series of historical and informative publications on the subjects of gemology and crystallography. The titles in this range include "Gemstone Manufacturing" "The Optical Properties of Gemstones and Crystals" "The Thirty-Two Classes of Crystal Symmetry" and many more. Each publication has been professionally curated and includes all details on the...