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  2. List of minerals - Wikipedia

    en.wikipedia.org/wiki/List_of_minerals

    This is a list of minerals which have Wikipedia articles.. Minerals are distinguished by various chemical and physical properties. Differences in chemical composition and crystal structure distinguish the various species.

  3. List of formulas in elementary geometry - Wikipedia

    en.wikipedia.org/wiki/List_of_formulas_in...

    Area#Area formulas – Size of a two-dimensional surface; Perimeter#Formulas – Path that surrounds an area; List of second moments of area; List of surface-area-to-volume ratios – Surface area per unit volume; List of surface area formulas – Measure of a two-dimensional surface; List of trigonometric identities

  4. List of mineral tests - Wikipedia

    en.wikipedia.org/wiki/List_of_mineral_tests

    Mineral tests are simple physical and chemical methods of testing samples, which can help to identify the mineral type. [1] This approach is used widely in mineralogy , ore geology and general geological mapping.

  5. List of rock types - Wikipedia

    en.wikipedia.org/wiki/List_of_rock_types

    The following is a list of rock types recognized by geologists.There is no agreed number of specific types of rock. Any unique combination of chemical composition, mineralogy, grain size, texture, or other distinguishing characteristics can describe a rock type.

  6. Category:Minerals - Wikipedia

    en.wikipedia.org/wiki/Category:Minerals

    Download as PDF; Printable version; In other projects Wikimedia Commons; Wikiquote; ... Classification of minerals (11 C, 6 P) + Mining by mineral (34 C) A. Alabaster ...

  7. Clay mineral - Wikipedia

    en.wikipedia.org/wiki/Clay_mineral

    In 2013, analytical tests by the Curiosity rover found results consistent with the presence of smectite clay minerals on the planet Mars. [22] [23] [24] Illite group which includes the clay-micas. Illite is the only common mineral in this group. [21] Chlorite group includes a wide variety of similar minerals with considerable chemical variation ...

  8. Native element mineral - Wikipedia

    en.wikipedia.org/wiki/Native_element_mineral

    Native element minerals are those elements that occur in nature in uncombined form with a distinct mineral structure. The elemental class includes metals, intermetallic compounds, alloys, metalloids, and nonmetals. The Nickel–Strunz classification system also includes the naturally occurring phosphides, silicides, nitrides, carbides, and ...

  9. Mineral - Wikipedia

    en.wikipedia.org/wiki/Mineral

    Staurolite is a common metamorphic intermediate-grade index mineral. It has a particularly complicated crystal structure that was only fully described in 1986. Topaz (Al 2 SiO 4 (F, OH) 2, often found in granitic pegmatites associated with tourmaline, is a common gemstone mineral. [132]

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