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Cobaltite
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<p>Cobaltite is an <a href="/facts/Arsenide/UpkRk4uf">arsenide</a> and <a href="/facts/Sulfide/d8YMjLeu">sulfide</a> mineral with the mineral formula <a href="/facts/Cobalt/gqhScEw4">Co</a><a href="/facts/Arsenic/k1c4f44D">As</a><a href="/facts/Sulfur/IK0amTfM">S</a>. It is the naming mineral of the cobaltite group of minerals, whose members structurally resemble <a href="/facts/Pyrite/41CYREyr">pyrite</a> (FeS2). </p>