A soft green mineral that is a silicate of magnesium and iron, or a salt of chlorous acid used as a bleaching agent.
From Greek khlōros (greenish-yellow) + -ite (mineral suffix), named for its characteristic green color; the acid salt meaning developed from chlor- + -ous (oxidation state indicator).
Chlorite minerals form the 'greenstone' that metamorphic rocks are made of, and sodium chlorite is used to purify drinking water worldwide—so this ancient green stone and its chemical cousins literally help keep billions of people healthy.
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