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malachite

American  
[mal-uh-kahyt] / ˈmæl əˌkaɪt /

noun

  1. a green mineral, basic copper carbonate, Cu 2 CO 3 (OH) 2 , an ore of copper, used for making ornamental articles.

  2. a ceramic ware made in imitation of this.


malachite British  
/ ˈmæləˌkaɪt /

noun

  1. a bright green mineral, found in veins and in association with copper deposits. It is a source of copper and is used as an ornamental stone. Composition: hydrated copper carbonate. Formula: Cu 2 CO 3 (OH) 2 . Crystal structure: monoclinic

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

malachite Scientific  
/ mălə-kīt′ /
  1. 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: Cu 2 CO 3 (OH) 2 .


Etymology

Origin of malachite

1350–1400; < Greek malách ( ē ) mallow + -ite 1; replacing Middle English melochites < Middle French melochite, representing Latin molochītis < Greek molochîtis, derivative of molóchē, variant of maláchē

Explanation

Malachite is a vibrant green mineral that's formed by the weathering of copper ore in the ground. Prized as a gemstone for its striped or patterned appearance and bright color, malachite is used in jewelry. Oxidized copper gives malachite its color, and it was that brilliant green that inspired people to begin mining it as early as 4000 BCE. Malachite has been used in paint, sculpture, and jewelry for thousands of years. There are also dozens of superstitions connected to malachite, including the belief that it protects sleeping children from evil spirits. Malachite gets its name from the Greek malakhe, "mallow," a plant whose leaves are the same green hue as the stone.

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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"The identification of the green mineral as malachite is still preliminary," explained Tornero.

From Science Daily Jun. 3, 2026

On view are examples of bulbous book bindings, acid-etched vases, satin capes, parchment-covered cabinets, angular decanters, diamond-decorated cloche hats, geometric malachite brooches, stark bas-reliefs, Brancusi-faced collar ads, and boxy, black-lacquer screens.

From The Wall Street Journal Dec. 23, 2025

They come in three fresh designs: malachite, mushrooms and what’s being called a graphic version of wicker.

From Los Angeles Times May 17, 2024

The chrysanthemum leaves, the chartreuse of the teapot inlay and the antique bronze are different shades of green — but all come from malachite.

From Seattle Times Sep. 22, 2023

Her costume was a symphony in green, carried out in all its details perfectly, even to the gloves, the sunshade, and its malachite handle.

From A Flight in Spring In the car Lucania from New York to the Pacific coast and back, during April and May, 1898 by Knowles, J. Harris (John Harris)

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