A bright-green monoclinic mineral occurring as a mass of crystals (an aggregate) with smooth or botryoidal (grape-shaped) surfaces. It is often concentrically banded in different shades of green. Malachite often occurs together with the mineral azurite in copper deposits. Chemical formula: Cu2CO3(OH)2.
The American Heritage® Science Dictionary Copyright © 2005 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
| Noun | 1. |  malachite - a green or blue mineral used as an ore of copper and for making ornamental objectsatomic number 29, copper, Cu - a ductile malleable reddish-brown corrosion-resistant diamagnetic metallic element; occurs in various minerals but is the only metal that occurs abundantly in large masses; used as an electrical and thermal conductor mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition azurite - blue carbonate of copper; blue malachite |
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Alice as she was, Alice in the sheer brightness and fullness of her being as if the dark malachite sheen off her skin, the pale shimmer of her throat, the moist of her eyes, were as natural and mysterious as the flight of a bird. The Knife Thrower by Steven Millhauser.
Followed by the boy and Toto--the dog with a new green ribbon around his neck--she hastened down to the splendid drawing-room of the palace, where, seated upon an exquisite throne of carved malachite and nestled amongst its green satin cushions was the lovely Princess Ozma, waiting eagerly to welcome her friend.The Road to Oz by Baum, L. Frank
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