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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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Vocabulary lists containing malachite

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.

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

Their wings, in shades of lavender, green and red, represented certain crystals and traits: amethyst as one of calm and purity, malachite as one of protection and rose garnet for healing and love.

From Los Angeles Times • Nov. 14, 2025

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

For the Mobiles, she takes elements made in advance and arranges them intuitively and playfully, with raw minerals like pyrite, malachite and amber used for their transformative properties.

From New York Times • Apr. 11, 2023

The phthaleïns are members of the triphenylmethane group, and are therefore related to magenta, corallin, malachite green, methyl violet, and the phosgene dyes.

From Coal and What We Get from It by Meldola, Raphael