• A guide to real-world magical metals, rocks, and minerals.
• A mix of mythology, folklore, crystal magic, occult, and science.
• A fully illustrated, thoroughly researched resource for writers and world-builders.
• An all-in-one book for miners, collectors, alchemists, and magicians—perfect as an in-world item and applicable in all fantasy (and most modern) settings.
• A system-agnostic toolkit for game masters everywhere, complete with tips on including gems in your campaigns and creating new, exciting gemstones.