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Distilled Verdigris Or More Properly Refined Verdigris The Best Is

made at Montpellier in France, and is a sub-acetate of copper of a
bright green colour inclining to blue. The least durable of the copper
greens, it soon fades as a water-colour by the action of light, &c., and
becomes first white and ultimately black by damp and foul gas. In oil,
verdigris is permanent with respect to light and air, but moisture and
an impure atmosphere change its colour, and cause it to effloresce or
rise to the surface through the oil. It dries rapidly, and is
exceptionally useful with other greens or very dark colours. In varnish
it stands better; but cannot be considered safe or eligible, either
alone or compounded. Vinegar dissolves it, forming a solution used for
tinting maps, and formerly much employed for colouring pickles, &c.

The painters, who lived at the time when the arts were restored in
Italy, used this pigment; and the bright greens seen in some old
pictures are made by glazings of verdigris. It is often largely
adulterated with chalk and sulphate of copper.


Green, being a compound of blue and yellow, may be got by combining
those colours in the several ways of working--by mixing, glazing,
hatching, or otherwise blending them in the proportions of the various

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