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kind of rocks and minerals

  • Rocks: Igneous, Metamorphic and Sedimentary Geology

    Photographs and information for a large collection of igneous, metamorphic and sedimentary rocks. Geology

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  • Where to Find Specific Types of Rocks and Minerals

    Rocks and minerals are all around us. You can pretty much find interesting specimens in almost any natural environment but you have to know where to look and what to look for. If you're new to geology, there is no substitute for examining as many different rocks

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  • The Gallery of Minerals With Pictures and Descriptions.

    Quartz is one of the most common of all minerals that make up the continental crust. It is found in igneous, metamorphic, and sedimentary rocks. It is associated with many valuable ore deposits as well. Amethyst is a variety of quartz and owes its purple color to the presence of iron. It is composed of silicone dioxide SiO 2.: Rose Quartz is a variety of quartz and owes its pink color to the

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  • The Basics of Rocks and Minerals and Polar Geology

    MINERALS. Minerals, quite simply, are the building blocks for making rocks, and a rock is made up of one or more minerals. When you look at a rock and see different colors, those colors are minerals that make up that specific rock.

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  • List of minerals Wikipedia

    This is a list of minerals for which there are articles on Wikipedia.. Minerals are distinguished by various chemical and physical properties. Differences in chemical composition and crystal structure distinguish the various species.Within a mineral species there may be variation in physical properties or minor amounts of impurities that are recognized by mineralogists or wider society as a

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  • The 12 Most Common Blue, Violet, and Purple Minerals

    Purple rocks, which may range in hue from blue to violet, get their color from the minerals those rocks contain. Although fairly rare, you can find purple, blue, or violet minerals in these four types of rocks, ordered from most to least common:

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