20-Piece Rocks and Minerals Specimen Set

This collection includes 10 rocks and 10 minerals stored in a die-cut laminated box with compartmentalized storage. An identification key is supplied, corresponding to each unit's numbered bag for self-guided study. The set contains basalt, granite, pumice, gneiss, marble, quartzite, serpentine, bituminous coal, limestone, sandstone, agate, calcite, dolomite, feldspar, graphite, gypsum, magnetite, pyrophyllite, quartz, and soapstone. This collection is suitable for student use in studying the differences between rocks and minerals, as well as for home collections and earth science instruction.