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  2. Manganese violet - Wikipedia

    en.wikipedia.org/wiki/Manganese_violet

    Manganese violet is the inorganic compound with the formula NH 4 MnP 2 O 7. [1] As implied by its name and composition, it is a purple, inorganic pigment. [2] Because it is often impure, the pigment's hue is varied. [3] Notable artists who have used the pigment include Claude Monet, who relied on manganese violet in his Rouen Cathedral series ...

  3. List of inorganic pigments - Wikipedia

    en.wikipedia.org/wiki/List_of_inorganic_pigments

    Ultramarine violet (PV15): a synthetic or naturally occurring sulfur containing silicate mineral. Copper pigments. Han purple: BaCuSi 2 O 6. Cobalt pigments. Cobalt violet (PV14): Co 3 (PO 4) 2. Manganese pigments. Manganese violet: NH 4 MnP 2 O 7 (PV16) manganic ammonium pyrophosphate. Gold pigments

  4. Manganese - Wikipedia

    en.wikipedia.org/wiki/Manganese

    Manganese is a chemical element; it has symbol Mn and atomic number 25. It is a hard, brittle, silvery metal, often found in minerals in combination with iron. Manganese was first isolated in the 1770s. Manganese is a transition metal with a multifaceted array of industrial alloy uses, particularly in stainless steels. It improves strength ...

  5. Purple - Wikipedia

    en.wikipedia.org/wiki/Purple

    Purple is a color similar in appearance to violet light. In the RYB color model historically used in the arts, purple is a secondary color created by combining red and blue pigments. In the CMYK color model used in modern printing, purple is made by combining magenta pigment with either cyan pigment, black pigment, or both.

  6. Oil paint - Wikipedia

    en.wikipedia.org/wiki/Oil_paint

    Oil paint is a type of slow-drying paint that consists of particles of pigment suspended in a drying oil, commonly linseed oil. For several centuries the oil painting has been perhaps the most prestigous form in Western art, but oil paint has many practical uses, mainly because it is waterproof. The earliest surviving examples of oil paint have ...

  7. Glass coloring and color marking - Wikipedia

    en.wikipedia.org/wiki/Glass_coloring_and_color...

    Beer bottles of different colors. Glass coloring and color marking may be obtained in several ways. by the addition of coloring ions, [1] [2] by precipitation of nanometer-sized colloids (so-called striking glasses [1] such as "gold ruby" [3] or red "selenium ruby"), [2] Ancient Roman enamelled glass, 1st century, Begram Hoard.

  8. Ochre - Wikipedia

    en.wikipedia.org/wiki/Ochre

    Ochre. Ochre ( / ˈoʊkər / OH-kər; from Ancient Greek ὤχρα (ṓkhra), from ὠχρός (ōkhrós) 'pale'), iron ochre, or ocher in American English, is a natural clay earth pigment, a mixture of ferric oxide and varying amounts of clay and sand. [ 1] It ranges in colour from yellow to deep orange or brown. It is also the name of the ...

  9. Just Stop Oil protesters cover Stonehenge in orange paint ...

    www.aol.com/just-stop-oil-protesters-cover...

    Two people in Just Stop Oil T-shirts, named by the group as Rajan Naidu, 73, and Niamh Lynch, 21, spray the ancient structure with canisters of orange powder paint (Just Stop Oil/PA Wire)

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