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Verdigris is a collective term for copper acetate, whose chemical varieties produce different hues. The technical literature is inconsistent in describing these variations. Some sources refer to "neutral verdigris" as copper(II) acetate monohydrate (Cu(CH 3 CO 2) 2 ·(H 2 O)) and to "blue verdigris" as Cu(CH 3 CO 2) 2 ·CuO·(H 2 O) 6. [17]
Verdigris or Vert-de-Gris, is a blue-green, copper-based pigment. Its name comes from the natural pigments that form a patina on copper, bronze, and brass as it ages. [ 5 ] Oneexample is the green patina that formed on the Statue of Liberty in New York Harbor.
Green blue: RAL 5002: Ultramarine blue: RAL 5003: Sapphire blue: RAL 5004: Black blue: RAL 5005: Signal blue: RAL 5007: Brilliant blue: RAL 5008: Grey blue: RAL 5009: Azure blue: RAL 5010: Gentian blue: U8 line of the Berlin U-Bahn: RAL 5011: Steel blue: RAL 5012: Light blue: U7 line of the Berlin U-Bahn: RAL 5013: Cobalt blue: Deutsche ...
Blue RAL 5000 Violet blue RAL 5026 Pearl night blue: 25 RAL 6xxx Green RAL 6000 Patina green RAL 6039 Fibrous green: 37 RAL 7xxx Grey RAL 7000 Squirrel grey RAL 7048 Pearl mouse grey: 38 RAL 8xxx Brown RAL 8000 Green brown RAL 8029 Pearl copper: 20 RAL 9xxx White/Black RAL 9001 Cream RAL 9023 Pearl dark grey: 15
3) 2 (OH) 2, a blue crystalline solid also known as the mineral azurite. It too has been used as pigment, sometimes under the name mountain blue or blue verditer. Both malachite and azurite can be found in the verdigris patina that is found on weathered brass, bronze, and copper. The composition of the patina can vary, in a maritime environment ...
Viridian is a bright shade of spring green, which places the color between green and teal on the color wheel, or, in paint, a tertiary blue–green color. Viridian is dark in value, has medium saturation, and is transparent . [4]: 275
Color chips or color samples from a plastic pellet manufacturer that enables customers to evaluate the color range as molded objects to see final effects. A color chart or color reference card is a flat, physical object that has many different color samples present. They can be available as a single-page chart, or in the form of swatchbooks or ...
Patina also refers to accumulated changes in surface texture and color that result from normal use of an object such as a coin or a piece of furniture over time. [3] Archaeologists also use the term patina to refer to a corticated layer that develops over time that is due to a range of complex factors on flint tools and ancient stone monuments. [1]