Dig for genuine semi-precious gemstones and minerals, then identify your treasure using the excavation tools and guide. Set include block containing multiple stones, mallet, dowel, goggles, streak plate, magnifying glass and instructions, all in sturdy plastic storage case. Discover testing techniques used by geologists and use them to identify the minerals in this kit. Simply Science Mineral Testing Includes a streak plate, scratch glass and several mineral specimens.
Instructions give colors for more common minerals plus information on testing for hardness.