The Washington School Collection

The Washington School Collection is an excellent study aid for the geology unit of 9th Grade Earth Science. This collection contains high-quality samples which characterize the properties of common minerals. It also includes samples of the three rock forms. 40 numbered samples, 1.5 x 2" Each specimen is individually keyed for identification Introductory Guide to Rocks and Minerals Specimens: Minerals: Augite, Calcite, Gypsum, Quartz, Muscovite, Hornblende, Microcline, Biotite Metallic Ores: Buxite, Galena, Hematite, Pyrolusite, Magnetite, Malachite, Pyrite Non Metallic Ores: Fluorite, Dolomite, Barite, Graphite, Talc Igneous: Basalt, Gabbro, Granite, Obsidian, Rhyolite, Pummice, Andesite Sedimentary: Calcareous Tufa, Limestone, Oil Shale, Conglomerate, Limestone, Sandstone, Shale, Fossiliferous Limestone, Arkose Metamorphic: Hornfels, Gneiss, Marble, Quartzite, Mica Schist, Slate