Introductory Rock Collection
This collection is great for all ages. The 15 specimens measure 1 ½ to 2 inches each, and there are 5 in each rock category - sedimentary, igneous, and metamorphic. Specimens include shale, breccia, sandstone, conglomerate, limestone, obsidian, granite, basalt, scoria, rhyolite, slate, marble, quartzite, gneiss, and schist. This is a solid starter kit for your rock hounds: all packaged in a divided storage box. ~ Donna
Provides a primary presentation of the basic rock types. Includes five each of igneous, sedimentary and metamorphic rocks, totaling 15 specimens, approximately 1 1/2" x 1 1/2". Includes key and charts.
Enhance your geology study with these beautiful rock collections! Each kit contains 15 number-coded rock specimens, an information chart, and a key sheet for identification. Rocks are displayed in a sturdy, compartmentalized plastic tray. Some of the rocks include schist, quartzite, marble (metamorphic), shale, sandstone, limestone (sedimentary), and granite, porphyry, and scoria (igneous). Each rock is approximately 1 ½ x 1 ½ inches.