from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An azure blue vitreous mineral of basic copper carbonate, Cu3(CO3)2(OH)2, used as a copper ore and as a gemstone. Also called chessylite.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A blue vitreous mineral; a basic copper carbonate, with the chemical formula Cu2+3(CO3)2(OH)2.
from the GNU version of the Collaborative International Dictionary of English
- n. Blue carbonate of copper; blue malachite.
from The Century Dictionary and Cyclopedia
- n. A blue mineral, a hydrous carbonate of copper.
- n. Same as lazulite.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. blue carbonate of copper; blue malachite
Although azurite is Mayer's pure blue pigment (b12), his examples of color mixing and identification relied on Prussian blue (b11r1). reference Mayer did not explain these discrepancies, and there may be several reasons for them.
When this black coating was nearly dry, they carved out certain areas and filled them with bright colors made from inorganic materials such as azurite and red ochre, leaving the raised chaute as a black border.
Indigo had an advantage over the metallic blues such as azurite in that it was not corrosive, but it was not always stable.
Vendrell, who says it could not be any other kind of blue pigment used in Romanesque murals, such as azurite, lapis lazuli or aerinite, "which in any case came from far-off lands and were difficult to get hold of for a frontier economy, as the Kingdom Aragon was between the 11th and 15th Centuries".
Long before the statue was unearthed, the natural process of patination had caused the formation of the red cuprite, blue azurite and green malachite commonly found in ancient bronzes.
I dreamed I spoke with a nude woman whose skin was the colour of azurite.
Usually there is a nice mineral specimen of malachite, azurite and a few others in that spot.
Or, suppose you have a formula r7y2b3 and you wish to find a way to prepare it with red lead and ocher and azurite.
Mayer used cinnabar, mountain blue (azurite), and King's yellow as his unmixed, unbroken colors (r12, b12, and y12 respectively).
As it is impossible to add a negative amount of a color, this formula cannot be produced from the combination of red lead, ocher, and azurite.
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