A comprehensive collection of rocks and minerals specifically designed for the high school earth science classroom. Specimens include rock-forming minerals, ores of metals and non-metals, and igneous, metamorphic and sedimentary rocks. Students can investigate additionally selected specimens for cleavage, fracture, streak, color and luster. A total of 75 specimens are provided and packaged in two compartmentalized collection boxes. All specimens are numbered and come with a mineral identification kit, study guide and key.