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Jarosite
Jarosite
is a basic
hydrous
sulfate
of
potassium
and
iron
with a chemical formula of KFe
3+
3
(OH)
6
(SO
4
)
2
. This
sulfate mineral
is formed in
ore
deposits by the
oxidation
of iron
sulfides
. Jarosite is often produced as a byproduct during the purification and refining of
zinc
and is also commonly associated with
acid mine drainage
and
acid sulfate soil
environments.
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