Definition of azurite in US English:

azurite

noun

  • A blue mineral consisting of copper hydroxyl carbonate. It occurs as blue prisms or crystal masses, often with malachite.

    • ‘However, collecting in the pits has yielded beautiful microcrystals of azurite and malachite on quartz.’
    • ‘Associated minerals are olivenite, chalcophyllite, clinoclase, comwallite, strashimirite, malachite, azurite, and cuprite.’
    • ‘These contain veins of supergene copper minerals, mostly azurite and malachite.’
    • ‘The names of the ores of copper point to gentle Venus qualities: azurite, malachite, turquoise, chalcopyrite and peacock ore.’
    • ‘Sometimes the aikinite is altered, and fractures in the surrounding quartz are filled with thin blue and green films of azurite and malachite formed from the copper liberated by the aikinite.’
    • ‘Associated minerals are azurite, quartz, plancheite, cerussite, and mottramite.’
    • ‘For digital photography, SoLux bulbs are perfect, yielding accurate rendition of difficult-to-photograph minerals such as dioptase and azurite.’
    • ‘So far azurite, malachite, and cerussite have been found.’
    • ‘Often, the powdery azurite encloses a small grain of cuprite, forming a blue halo that disperses into the siltstone.’
    • ‘But if you are photographing a dark mineral such as azurite, the camera will lighten the exposure in an attempt to yield a medium value, making the image overexposed.’
    • ‘In some fractures bordering the clay seams, azurite and malachite occur as masses of alternating, crudely parallel bands.’
    • ‘A frequently used mineral source of blue was azurite, a copper carbonate which was called lapis armenius as it originally came from Armenia.’
    • ‘Many of the world's finest specimens of native copper, azurite, malachite, atacamite, and a host of other minerals originated in this manner.’
    • ‘Only a handful of high-quality azurite in equant blocky crystals to 4 cm have been found in these pockets so far.’
    • ‘Microcrystals of azurite and goethite and a small number of microcrystals of chalcocite were also recovered.’
    • ‘For instance, azurite, chrysocolla, and turquoise bring to mind vivid images of various shades of blue.’
    • ‘The result can be some of our most spectacular minerals, including azurite, malachite, smithsonite, wulfenite, pyromorphite, and mimetite.’
    • ‘The most common nodules are pure azurite in radially fibrous masses that exhibit a peculiar satiny sheen or chatoyancy on broken surfaces.’
    • ‘Good nodular masses of azurite, some of which contain bladed crystals to 5 cm, occur in the Chingola mine, Zambia.’
    • ‘Locally stalactitic malachite, occasionally associated with well-crystallized azurite, occurred in the copper ores at Corocoro, Bolivia.’

Origin

Early 19th century: from azure + -ite.

Pronunciation

azurite

/ˈaZHəˌrīt//ˈæʒəˌraɪt/