mineral naturally information

  • Quartz Minerals Education Coalition

    As a mineral name, quartz refers to a specific chemical compound (silicon dioxide, ... Major producers of natural quartz crystals are the United States (particularly...

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  • Quartz: The mineral Quartz information and pictures Minerals

    Detailed properties and locality information guide on the mineral quartz, ... internally in the Quartz crystal, giving it a natural bright red to brown coloring, and...

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  • The Mineral and Gemstone Kingdom: Home

    This site has been providing detailed information and photos of hundreds of mineral and gemstone since 1997 and is one of the leading education resources on...

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  • What are Minerals? What are Mineral Properties? Geology

    A mineral is a naturally occurring, inorganic solid, with a definite chemical ... [2] USGS Mineral Information: Links to information about minerals on the United...

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  • What is a Mineral? Oxford University Museum of Natural History

    A mineral is a naturally occurring inorganic solid, with a definite chemical composition, and an ordered atomic arrangement. This may seem a bit of a mouthful,...

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  • Mineral Properties, Photos, Uses and Descriptions Geology

    Photos and information about 80 common rock forming, ore and gemstone minerals ... Tourmaline the most colorful mineral and natural gem material on Earth.

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  • Minerals, elements and the Earth's crust

    Minerals are elements or compounds that occur naturally in the Earth's crust. ... Table 1 gives some information about the most common elements in the Earth's...

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  • Minerals and Gems National Geographic

    More than 4,000 naturally occurring mineralsinorganic solids that have a characteristic chemical composition and specific crystal structurehave been found...

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  • Mineral Wikipedia

    A mineral is a naturally occurring chemical compound, usually of crystalline form and not produced by life processes. A mineral has one specific chemical...

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  • Diamond: The mineral Diamond information and pictures

    Detailed description, properties, and locality information guide about the precious ... F or 4090° C), and it has the highest refractive index of any natural mineral.

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