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  2. Marble - Wikipedia

    en.wikipedia.org/wiki/Marble

    Marble is a metamorphic rock consisting of carbonate minerals (most commonly calcite (CaCO 3) or dolomite (CaMg (CO 3) 2) that have recrystallized under the influence of heat and pressure. [1] It has a crystalline texture, and is typically not foliated (layered), although there are exceptions. In geology, the term marble refers to metamorphosed ...

  3. Carrara marble - Wikipedia

    en.wikipedia.org/wiki/Carrara_marble

    Carrara marble, or Luna marble (marmor lunense) to the Romans, is a type of white or blue-grey marble popular for use in sculpture and building decor. It has been quarried since Roman times in the mountains just outside the city of Carrara in the province of Massa and Carrara in the Lunigiana , the northernmost tip of modern-day Tuscany , Italy.

  4. Franklin Marble - Wikipedia

    en.wikipedia.org/wiki/Franklin_Marble

    The Franklin Marble is a geologic deposit located in the Highlands region of New Jersey. The Franklin Marble dates back to the Precambrian geologic era. An early marine environment provided the proper conditions for algae and stromatolites to thrive. The resulting calcium and carbon deposits, as well as other chemical processes, provided the ...

  5. Ashford Black Marble - Wikipedia

    en.wikipedia.org/wiki/Ashford_Black_Marble

    The mineral has been used decoratively since prehistoric times; the first recorded customer was Bess of Hardwick in 1580. [1]Henry Watson, the uncle of Derbyshire geologist White Watson, is regarded as one of the key figures in the development of the local industry of inlaying Ashford Black Marble in the 1750s. [2]

  6. Lime (material) - Wikipedia

    en.wikipedia.org/wiki/Lime_(material)

    Lime (material) Lime is an inorganic material composed primarily of calcium oxides and hydroxides. It is also the name for calcium oxide which occurs as a product of coal-seam fires and in altered limestone xenoliths in volcanic ejecta. [1] The International Mineralogical Association recognizes lime as a mineral with the chemical formula of CaO ...

  7. List of rock types - Wikipedia

    en.wikipedia.org/wiki/List_of_rock_types

    Claystone – Clastic sedimentary rock composed primarily of clay-sized particles. Coal – Combustible sedimentary rock composed primarily of carbon. Conglomerate – Sedimentary rock composed of smaller rock fragments. Coquina – Sedimentary rock that is composed mostly of fragments of shells.

  8. Mineral - Wikipedia

    en.wikipedia.org/wiki/Mineral

    Mineral. Crystals of serandite, natrolite, analcime, and aegirine from Mont Saint-Hilaire, Quebec, Canada. In geology and mineralogy, a mineral or mineral species is, broadly speaking, a solid substance with a fairly well-defined chemical composition and a specific crystal structure that occurs naturally in pure form. [1][2] The geological ...

  9. Serpentine subgroup - Wikipedia

    en.wikipedia.org/wiki/Serpentine_subgroup

    Serpentine from Poland. Serpentine subgroup (part of the kaolinite -serpentine group in the category of phyllosilicates) [1] are greenish, brownish, or spotted minerals commonly found in serpentinite. They are used as a source of magnesium and asbestos, and as decorative stone. [5]