What do magnetite, bauxite, chromite, sulphur, quartz, and galena have in common? Each of these inorganic substances - as varied in colour as they are in form and structure - is or contains an element needed to create an automobile. That intriguing bit of information, along with many other fascinating facts, can be found in this entertaining and enlightening colouring book.Hobbyists and collectors are invited to learn about rocks and minerals as they colour 36 carefully rendered illustrations depicting: Tourmaline; Agatized coral; Pyrite; Aurichalcite; Smoky Quartz; Crazy Lace Agate; Amethyst geode; Beryl; Malachite; Emerald; Celestite; Amethyst; Aragonite; Garnet and 22 other examples.A fact-filled introduction offers helpful advice on collecting and identifying these beauties of nature while an extensive caption describes each specimen. All illustrations are reproduced in full colour on the book's covers.