Other copper mineral have been linked to calumetite which include copper, cuprite, malachite, atacamite, paratacamite, buttgenbachite.
en.wikipedia.org Secondary copper minerals include chrysocolla, malachite, azurite and cuprite with a supergene zone to 90 metres vertical depth containing chalcocite and lesser covellite.
www.proactiveinvestors.com.au It occurs in association with cuprite, brochantite, linarite, caledonite, malachite, chrysocolla and its polymorphs.
en.wikipedia.org From the above equation, the conversion of azurite into malachite is attributable to the low partial pressure of carbon dioxide in air.
en.wikipedia.org The malachite and azurite were formed from copper sulphide minerals, by a process known as secondary enrichment.
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