Identify and classify unknown rock samples.
Students explore texture, grain size, mineral composition, and foliation as they work to uncover the identity of rock samples from the three major groups. The set is housed in a compartmented collection box and comes with a study guide.
Contents: 24 unnumbered samples, 1" x 1" magnifier, acid bottle, and numbering kit.
Rocks: Igneous: andesite, basalt, diorite, gabbro, granite, obsidian, pumice, rhyolite. Sedimentary: coal (bituminous), conglomerate, dolomite, limestone (2) sandstone, shale, siltstone. Metamorphic: amphibolite, coal (anthracite), gneiss, marble, quartzite, schist, slate, soapstone.