Covellite

<p>Covellite (also known as covelline) is a rare <a href="/facts/Copper_sulfide/Uw3bQPo5">copper sulfide</a> mineral with the <a href="/facts/Chemical_formula/hghUtthl">formula</a> CuS. This indigo blue <a href="/facts/Mineral/LkUFbNmv">mineral</a> is commonly a secondary mineral in limited abundance and although it is not an important ore of copper itself, it is well known to mineral collectors.
</p><p>The mineral is generally found in zones of secondary enrichment (<a href="/facts/Supergene_(geology)/Y6lpdfB3">supergene</a>) of copper sulfide deposits. Commonly found as coatings on <a href="/facts/Chalcocite/Scqg5pDH">chalcocite</a>, <a href="/facts/Chalcopyrite/MXBDffGw">chalcopyrite</a>, <a href="/facts/Bornite/LlzeuLy1">bornite</a>, <a href="/facts/Enargite/9YNyGwye">enargite</a>, <a href="/facts/Pyrite/41CYREyr">pyrite</a>, and other sulfides, it often occurs as pseudomorphic replacements of other minerals. The first records are from <a href="/facts/Mount_Vesuvius/QdvyWY0a">Mount Vesuvius</a>, formally named in 1832 after N. Covelli.
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Covellite open-in-new

Covellite