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    Mineral Of The Day #123: Lazulite. Mohs Hardness Scale: 5.5-6. Category: phosphate mineral. Formula: (Mg,Fe<sup>2 </sup>)Al2(OH,PO4)2. Fun Facts: Lazulite's name.

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    Nonpetroleum Minerals Texas Almanac

    There are many nonpetroleum, or nonfuel, minerals found in Texas. GRAPHITE — Graphite, a soft, dark-gray mineral, is a form of very high-grade carbon.. PHOSPHATE — Rock phosphate is present in Paleozoic rocks in several areas of.

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    The Bambuta Phosphate Deposit, Liberia - USGS Publications .

    Phosphate minerals at Bomi Hills and Bambuta were briefly described by ... phous phosphate minerals (gray); pore space is white; plane polarized and incident.

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    Apatite: The mineral apatite information and pictures

    Apatite is the most common phosphate mineral, and is the main source of the . Color, Colorless, white, yellow, brown, gray, red, pink, purple, blue, green.

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    phosphate mineral Britannica

    Phosphate mineral, any of a group of naturally occurring inorganic salts of phosphoric . triphylite, bluish or greenish gray (triphylite); clove brown, honey yellow,.

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    Crandallite Mineral Data

    Phosphorus 14.96 % P 34.28 % P2O5. Hydrogen . Environment: Lateritic phosphate deposits and alteration of pegmatitic phosphate minerals. Help on IMA.

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    Rockhounding Arkansas: Minerals Special to Arkansas

    There are over 300 minerals known to occur in Arkansas, some rare and first discovered here. The phosphates of iron and aluminum make up the most colorful group of minerals in .. It is light pinkish gray and has a resinous to pearly luster.

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    FGS, Hardrock Phosphate

    Jul 1, 2015 . Picture and description of the Florida mineral - Hardrock Phosphate. The color may be brown, gray, bluish gray, white, or black. Occurrence:.

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    Phosphate Deposits, South Central Georgia (1967)

    on the phosphate minerals can be found in Altschuler, Jaffe, and Cuttitta (1956) . gray to brown, sandy, dense phosphatic dolomite or dolomitic limestone. The.

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