NOT long ago, most decks were made of greenish-tinged wood that had been pressure-treated with chromium copper arsenate to make it rot-, mold- and insect-resistant.
Relatively simple shapes were made of an impure greenish or yellowish material, and decoration was restricted to simple trails of thread.
As for the painting, the visible decoration is composed of brown earth and organic greenish color whereas the original is made of red lake, copper green, azurite and vermillion.
Inside the bowl was a lump of greenish-brown paste; it was made of flour mixed with grass and water.
Made of zinc and steel, it has a crusty, greenish patina and avian wings spanning seven feet attached to either side of an ancient Roman-style wheel.
A couple of recent works take an even more biomorphic approach, like "Species," a large piece surfaced with greenish Kevlar (a strong reticulated material made of carbon and silicone) and sprayed with a shiny plastic finish.
The blue background made of azurite has often been seen to turn into green malachite, e.g. in the blue robe of the Virgin Mary in many oil paintings which have frequently become greenish.
The tabletop (available in four sizes) is made of glass with a low iron content, so it appears completely clear (rather than slightly greenish, like most glass tabletops); an etched edge makes it look as if it's floating.
I learned that at about.com, an informational site that also had answers for such questions as "Why are tennis balls greenish-yellow?" (answer: easier to see) and "What's the ball fuzz made of?" (answer: wool).
Though the prosthesis has not been found, greenish stains around the nasal area of Brahe's corpse contained traces of copper and zinc, indicating that his fake nose was made of brass, the researchers said.
