An Instant Guide to Rocks & Minerals: The Most Familiar Rocks and Minerals of North America Described and Illustrated in Full Color
An Instant Guide to Rocks and Minerals is an ideal compact identification guide to the rocks, minerals, and crystals found on the shore, in the desert, in national parks, on old mine tips, in yards, and in the stone and stone-faced buildings of North America.
This user-friendly guide assumes no previous knowledge: an easy-to-follow system of color-coded bands and symbols designating type of rock and hardness of mineral leads quickly to the correct section of the book. Detailed, full-color illustrations and a concise but informative text that includes details of principal U.S. locations allow you to identify accurately the most familiar rocks and minerals of North America.
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albite amphibole andradite apatite Ariz Associated azurite barite basalt biotite blue bluish botryoidal form Brittle brownish calcite chalcopyrite chlorite Cleavage Cleavage perfect Cleavage poor Color white Colorless conchoidal contact metamorphic copper crusts crystals are found crystals occur dikes dolomite dull feldspar fibrous fine-grained fluorite foliated fossils Fracture conchoidal Fracture uneven galena garnet gem quality gemstone gneiss grains granite granular form granular or compact gray greasy grooved harder Hardness hematite hornblende hydrothermal hydrothermal deposits hydrothermal veins Identified igneous rocks lava limestone limonite Luster Luster glassy Luster metallic magma magnetite malachite masses massive form metamorphic rocks Mexico mica minerals mines muscovite occurs in granular octahedra olivine Opaque pale green pearly pegmatite Penn pink prismatic prisms pyrite quartz sandstones schist scratched sedimentary rocks silica six-sided soft softer sphalerite splintery stone Streak subconchoidal tabular talc Texture topaz tourmaline Transparent to translucent twinned volcanic yellow yellowish