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  2. Alabaster - Wikipedia

    en.wikipedia.org/wiki/Alabaster

    Calcite alabaster also is known as onyx-marble, Egyptian alabaster, and Oriental alabaster, which terms usually describe either a compact, banded travertine stone [2] or a stalagmitic limestone colored with swirling bands of cream and brown. [3]

  3. Malachite - Wikipedia

    en.wikipedia.org/wiki/Malachite

    Malachite is a copper carbonate hydroxide mineral, with the formula Cu 2 CO 3 (OH) 2.This opaque, green-banded mineral crystallizes in the monoclinic crystal system, and most often forms botryoidal, fibrous, or stalagmitic masses, in fractures and deep, underground spaces, where the water table and hydrothermal fluids provide the means for chemical precipitation.

  4. Green pigments - Wikipedia

    en.wikipedia.org/wiki/Green_pigments

    Emerald Green, also known as Paris Green, Scheele's Green, Schweinfurt green and Vienna Green, is a synthetic inorganic compound, made by a reaction of sodium arsenite with copper(II) acetate. While it makes a beautiful rich green, the color of the emerald stone, it is highly toxic , due to a main ingredient, arsenic . [ 18 ]

  5. Tourmaline - Wikipedia

    en.wikipedia.org/wiki/Tourmaline

    The chemical composition which was given by Tschermak in 1884 for this dravite approximately corresponds to the formula NaMg 3 (Al,Mg) 6 B 3 Si 6 O 27 (OH), which is in good agreement (except for the OH content) with the endmember formula of dravite as known today. [9] Dravite varieties include the deep green chromium dravite and the vanadium ...

  6. List of types of marble - Wikipedia

    en.wikipedia.org/wiki/List_of_types_of_marble

    Marble mis-nomers: Cetechovice marble (cetechovický mramor) from Cetechovice, Kroměříž District: coloured [c] Karlík marble (karlický mramor), from Barrandien, Karlík, Prague-West District: black with gold-yellow-colour veins [d] Podol marble (Podolský mramor), from Vápenný Podol, Chrudim District: white, grey-white, rosy [e]

  7. Marble - Wikipedia

    en.wikipedia.org/wiki/Marble

    Marble [1] sludge waste can be used as a mineral filler in water-based paints. [32] Using ground calcium carbonate as a filler in paint production can improve the brightness, hiding power and application performance of paint, and can also replace expensive pigments such as titanium dioxide. [32]