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The Statue of Liberty, showing advanced patination; verdigris is responsible for the statue's iconic green colour.. Verdigris (/ ˈ v ɜːr d ɪ ɡ r iː (s)/) [1] is a common name for any of a variety of somewhat toxic [2] [3] [4] copper salts of acetic acid, which range in colour from green to a bluish-green depending on their chemical composition.
Figuratively, patina can refer to any fading, darkening, or other signs of age, which are felt to be natural or unavoidable (or both). The chemical process by which a patina forms or is deliberately induced is called patination, and a work of art coated by a patina is said to be patinated. Copper weather vane with verdigris patina
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. In the Middle Ages, the patina was made by attaching copper strips to a wooden block with acetic acid, then burying the sealed block in dung. It would be ...
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This is an accepted version of this page This is the latest accepted revision, reviewed on 28 January 2025. Varieties of the color cyan Cyan Color coordinates Hex triplet #00FFFF sRGB B (r, g, b) (0, 255, 255) HSV (h, s, v) (180°, 100%, 100%) CIELCh uv (L, C, h) (91, 72, 192°) Source CSS Color Module Level 3 B: Normalized to [0–255] (byte) The color cyan, a greenish-blue, has notable tints ...
Copper's most noteworthy aesthetic trait is its range of hues, from a bright metallic colour to iridescent brown to near black and, finally, to a greenish verdigris patina. Architects describe the array of browns as russet, chocolate, plum, mahogany, and ebony. [19] The metal's distinctive green patina has long been coveted by architects and ...
Verdigris is a common term for copper(II) acetate, the green patina that forms on copper, brass and bronze, and which is used as a pigment. Verdigris may also refer to: Verdigris, Oklahoma; Verdigris, a Doctor Who novel; Verdigris, a play by Jim Beaver; Verdigris agaric, common name for the fungus Stropharia aeruginosa
[37] [38] Bra cup size is determined by measuring across the crest of the breasts and calculating the difference between that measurement and the band measurement. [37] [39] The waist is measured at the midpoint between the bottom of the rib cage and the top of the 'front' hip bones. The hips are measured at the largest circumference of the ...