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malachite

malachite Mineral, Cu2CO3(OH)2; sp. gr. 3.9–4.0; hardness 3.5–4.0; monoclinic; bright green; pale green streak; in fibrous condition with a silky lustre, crystals with adamantine or vitreous lustre; crystals very rare, and it is usually found as botryoidal, encrusting masses with bands of varying colour, and frequently in a fibrous, radiating habit; common secondary mineral in the oxidized zone of copper deposits, associated with azurite, native copper, and cuprite; soluble with effervescence in dilute hydrochloric acid. It is often used for ornaments and pigments, and as an ore mineral for copper. See SPESSARTITE.

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malachite

malachite (măl´əkīt), a mineral, the green basic carbonate of copper occurring in crystals of the monoclinic system or (more usually) in masses. It is translucent or opaque; the luster is silky, vitreous, adamantine, or dull. It takes a good polish. An important ore of copper, it also serves as a gem and for various ornamental purposes and, when finely ground, as a pigment. It is found associated with other ores of copper (especially azurite) in various parts of the United States and in Chile, Russia, Congo (Kinshasa), Zimbabwe, and Australia.

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malachite

mal·a·chite / ˈmaləˌkīt/ • n. a bright green mineral consisting of copper hydroxyl carbonate. It typically occurs in masses and fibrous aggregates with azurite and is capable of taking a high polish.

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malachite

malachite XVI (melo-). — OF. melochite (now malachite) — L. molochītēs — Gr. molokhîtis, f. molókhē, var. of malákhē MALLOW; see -ITE.

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Malachite

Malachite

A precious stone (a variety of topaz) of basic copper carbonate. Folklore held that it preserved the cradle of an infant from spells.

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malachite

malachite •graphite • prizefight • dogfight •cockfight • neophyte • saprophyte •bullfight • gunfight • firefight •gesundheit • Fahrenheit • malachite •blatherskite

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