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Verdigris (/ˈvɜːrdɪɡriː(s)/) is a
common name for any of a
variety of
somewhat poisonous copper salts of
acetic acid,
which range in
colour from green...
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color of copper(II)
acetate made this form of
verdigris a much used pigment.
Until the 19th century,
verdigris was the most
vibrant green pigment available...
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Colour Origin Black Burnt bamboo leaves Green Cajuput leaves Blue Verdigris Amber Turpentine Red
Powder of red
gravels Yellow Senna flowers White Powder...
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Stropharia aeruginosa,
commonly known as the
blue-green stropharia, or
verdigris agaric, is a medium-sized green,
slimy woodland mushroom,
found on lawns...
- blue or blue verditer. Both
malachite and
azurite can be
found in the
verdigris patina that is
found on
weathered br****, bronze, and copper. The composition...
- Cyan (/ˈsaɪ.ən, -æn/) is the
color between blue and
green on the
visible spectrum of light. It is
evoked by
light with a
predominant wavelength between...
- are
largely synthetic, made in
laboratories and factories.
Verdigris or Vert-de-Gris, is a
blue-green, copper-based pigment. Its name
comes from the natural...
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Verdigris Technologies (
Verdigris) is an
artificial intelligence technology start-up
founded in 2011 by Mark Chung,
Thomas Chung and
Jonathan Chu. The...
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presented a
simple test for
determining the
purity of
verdigris. From p. 196: "The
adulteration [of
verdigris], however,
which is most
difficult to detect, is...
- Grey
value calculated from (0.2126 × red) + (0.7152 × green) + (0.0722 ×
blue) CIE L*a*b*
values sRGB
value expressed as hue,
saturation and lightness...
