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Covellite (also
known as covelline) is a rare
copper sulfide mineral with the
formula CuS. This
indigo blue
mineral is
commonly a
secondary mineral in...
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initially thought to
occur in
nature as the dark
indigo blue
mineral covellite. However, it was
later shown to be
rather a
cuprous compound, formula...
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Prominent copper sulfide minerals include Cu2S (chalcocite) and CuS (
covellite). In the
mining industry, the
minerals bornite or chalcopyrite, which...
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copper ore
deposits where the
copper sulfide minerals chalcocite (Cu2S),
covellite (CuS),
digenite (Cu18S10), and
djurleite (Cu31S16) are
deposited by the...
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Chalcocite replacing covellite, said to be
found in 1883, in the
early days of
mining at Butte. Size 8.0 x 6.3 x 3.6 cm....
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Chalcopyrite and
bornite are both
typically replaced by
chalcocite and
covellite in the
supergene enrichment zone of
copper deposits.
Bornite is also found...
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copper minerals include the
sulfides bornite (Cu5FeS4),
chalcocite (Cu2S),
covellite (CuS),
digenite (Cu9S5);
carbonates such as
malachite and azurite, and...
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Formula %
Copper when pure
Chalcopyrite CuFeS2 34.5
Chalcocite Cu2S 79.8
Covellite CuS 66.5
Bornite 2Cu2S·CuS·FeS 63.3
Tetrahedrite Cu3SbS3 + x(Fe,Zn)6Sb2S9...
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native copper,
copper sulfides such as chalcopyrite, bornite, digenite,
covellite, and chalcocite,
copper sulfosalts such as tetrahedite-tennantite, and...
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Corderoite Cordierite Corkite Cornubite Cornwallite Corundum Cotunnite Covellite Coyoteite Creedite Cristobalite Crocoite Cronstedtite Crookesite Crossite...
