A carefully selected selection of rough minerals and gems for cutting, polishing, or simply for collection in their natural state. In this category, you'll find pure crystals, nodules, gem fragments, and stoneable specimens from around the world: rubies, sapphires, quartz, opals, agates, beryls, tourmalines, and much more. Each specimen is chosen for its quality, clarity, color, or workability. Perfect for lapidaries, goldsmiths, collectors, and gemology enthusiasts.