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  • Mineral Definition of Mineral at Dictionary

    Mineral definition, any of a class of substances occurring in nature, usually comprising inorganic substances, as quartz or feldspar, of definite chemical composition and usually of definite crystal structure, but sometimes also including rocks formed by these substances as well as certain natural products of organic origin, as asphalt or .

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  • Rocks Definition of Rocks at Dictionary

    Rocks definition, a large mass of stone forming a hill, cliff, promontory, or the like. See more.

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  • Rocks and Minerals Dictionary: A EnchantedLearning

    Rocks and Minerals Dictionary: A. African emerald African emerald is a misnomer for green fluorspar that is mined in South Africa it is not an emerald at all.

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  • Rocks and Minerals Dictionary: I EnchantedLearning

    Rocks and Minerals Dictionary: I. Advertisement. EnchantedLearning is a usersupported site. As a bonus, site members have access to a banneradfree version of the site, with printfriendly pages. If the rock or mineral term you are looking for is not in the dictionary

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  • Rocks and Minerals Dictionary: E EnchantedLearning

    Rocks and Minerals Dictionary: E. emerald Emeralds are a very hard, green precious stone (beryl, Be 3 Al 2 Si 6 O 18, colored by chromium and some vanadium impurities).Flaws and cloudiness (called jardin) are very common in emeralds, so many emeralds are oiled, irradiatied,and dyed to improve their look.

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  • Minerals Definition of Minerals at Dictionary

    Minerals definition, any of a class of substances occurring in nature, usually comprising inorganic substances, as quartz or feldspar, of definite chemical composition and usually of definite crystal structure, but sometimes also including rocks formed by these substances as well as certain natural products of organic origin, as asphalt or .

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  • Rocks: Igneous, Metamorphic and Sedimentary Geology

    Photographs and information for a large collection of igneous, metamorphic and sedimentary rocks. Geology . Rock and Mineral Kits. Rock, Mineral and Fossil Collections. Specimens for personal or classroom use. Geology Dictionary. Geology Dictionary contains thousands of geological terms with their definitions.

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  • Rocks and Minerals Dictionary: G EnchantedLearning

    A geologic map is a map that notes the structure and composition of geologic features, like the presence of minerals, rock types, earthquake faults, underground water, and landslide areas. geology Geology is the study of the physical and chemical structure of the Earth, and its history, including studying rocks and minerals. geologist

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  • Rocks and Minerals Dictionary: D EnchantedLearning

    Click on an underlined word for more information on that subject. If the rock or mineral term you are looking for is not in the dictionary, please email us and we'll add it. Click on an underlined word for more information on that subject. DaryaiNur (meaning "Sea of Light") is one of the largest

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  • Urban Dictionary: rocks and minerals

    Rocks are made out of a bunch of minerals mixed together. Rocks and minerals are technically the same thing.

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