Examples of the most basic rocks and rock-forming minerals.

• Sixteen 1×2" numbered samples
• Housed in a compartmented collection box
• Identification key included

Give students a clear introduction to rocks and rock-forming minerals; the specimens in the introductory set are easy to differentiate from one another and clearly show the traits of each type.

Minerals: Biotite, feldspar, quartz, calcite
Igneous: Basalt, granite, rhyolite, gabbro
Sedimentary: Conglomerate, limestone, sandstone, shale
Metamorphic: Gneiss, marble, quartzite, schist