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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

    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. Purple of Cassius: Gold nanoparticles suspended in tin dioxide - Au x • SnO 2. Arsenic pigments. London purple AS 2 O 3.

  4. Violet (color) - Wikipedia

    en.wikipedia.org/wiki/Violet_(color)

    Cobalt violet is a synthetic pigment that was invented in the second half of the 19th century, and is made by a similar process as cobalt blue, cerulean blue and cobalt green. It is the violet pigment most commonly used today by artists, along with manganese violet.

  5. YInMn Blue - Wikipedia

    en.wikipedia.org/wiki/YInMn_blue

    YInMn Blue (/jɪnmɪn/; for the chemical symbols Y for yttrium, In for indium, and Mn for manganese ), also known as Oregon Blue or Mas Blue, is an inorganic blue pigment that was discovered by Mas Subramanian and his (then) graduate student, Andrew Smith, at Oregon State University in 2009. [1] [3] The pigment is noteworthy for its vibrant ...

  6. 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.

  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. Thermochromism - Wikipedia

    en.wikipedia.org/wiki/Thermochromism

    Manganese violet (Mn(NH 4) 2 P 2 O 7) is a violet material, a popular pigment, turning to white at 400 °C. [17] Applications in buildings

  9. Pigment violet 23 - Wikipedia

    en.wikipedia.org/wiki/Pigment_violet_23

    Pigment violet 23 is an organic compound that is a commercial pigment. It is member of the di oxazine family of heterocyclic compounds, but derived from carbazoles. [1] It is prepared by condensation of chloranil and 3-amino- N -ethyl carbazole. It has a centrosymmetric angular structure. [2]