It occurs as a secondary mineral in copper deposits in association with olivenite, chalcophyllite, clinoclase, cornwallite, strashimirite, malachite, cuprite and limonite.
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 is found in association with tremolite, quartz, epidote, monazite, copper, cuprite, atacamite, buttgenbachite, malachite, paratacamite, and anthonyite.
en.wikipedia.org These ores typically contain cuprite (red copper oxide) and/or copper carbonate in a matrix of red or gray sandstone.
en.wikipedia.org Other copper mineral have been linked to calumetite which include copper, cuprite, malachite, atacamite, paratacamite, buttgenbachite.
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