It occurs as a secondary mineral in copper deposits in association with olivenite, chalcophyllite, clinoclase, cornwallite, strashimirite, malachite, cuprite and limonite.
en.wikipedia.org Here groundwater enriched with oxygen react with copper sulfide and copper oxide to produce an array of minerals such as malachite, azurite and linarite.
en.wikipedia.org In the southern zone, mineralisation is identified in lensed quartz veins as disseminations and veinlets of malachite and haematite.
www.proactiveinvestors.com.au Associated minerals include: rosasite, smithsonite, hemimorphite, hydrozincite, malachite and azurite.
en.wikipedia.org It occurs in association with cuprite, brochantite, linarite, caledonite, malachite, chrysocolla and its polymorphs.
en.wikipedia.org