Contents

Contents : the earth -- what are rocks and minerals -- how rocks are formed -- weathering and erosion -- rocks on the seashore -- igneous rocks -- volcanic rocks -- sedimentary rocks -- limestone caves -- metamorphic rocks -- marble -- the first flint tools -- rocks as tools -- pigments -- building stones -- the story of coal -- fossils -- rocks from space -- rock-forming minerals -- crystals -- the growing crystal -- the properties of minerals -- gemstones -- decorative stones -- lesser-known gems -- ore minerals and metals -- precious metals -- cutting and polishing -- collecting rocks and minerals -- index.