| An excellent reference collection and a valuable aid in identifying and comparing common and rare rocks and minerals of the US. 35 typical specimens approximately 5/8in glued to a 6in x 9in labeled box. This collection contains Garnet, Gypsum, Muscovite, Granite, Obsidian, Agate, Magnetite, Pyrite, Lepidolite, Calcite, Malachite, Rose Quartz, Pyrolusite, Bauxite, Galena, Porphyry, Oil Shale, Talc, Olivine, Sandstone, Biotite, Quartzite, Fluorite, Barite, Mica Schist, Rhyolite, Marble, Kyanite, Feldspar, Serptentine, Pumice, Basalt, Slate, Molybdenite, and Limestone. Includes 15 page Rocks & Minerals Study Guide |
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