Discover how geologists excavate minerals and gemstones, and where you can find them in nature. Dig out five different minerals from the plaster block. The manual provides information about each mineral sample – their names and properties, origins, and how best to preserve and display them. The set includes samples of quartz, aventurine, rose quartz, red jasper, and amethyst – plus tools for digging them out of the plaster block. Suitable for ages 6 and up.