The Witching Stones by Nicholas Pearson

Nicholas Pearson’s “The Witchung Stones” provides a definitive guide to the crystals, gems, and humble stones possessing the most ancient and powerful connections to magic and witchcraft. These include flint, hagstone, ammonite, fossil urchin, salt, lodestone, lead, loadstone, amber, jet, cross-stone, quartz, moonstone, and emerald.