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Nagyágite
open-in-new
<p>Nagyágite (<a href="/facts/Lead/EYljasJN">Pb</a>5<a href="/facts/Gold/1znknojp">Au</a>(<a href="/facts/Tellurium/v7QvfIvS">Te</a>,<a href="/facts/Antimony/YsA7lVgT">Sb</a>)4<a href="/facts/Sulfur/IK0amTfM">S</a>(5–8)) is a rare <a href="/facts/Sulfide_mineral/f8rxJpCW">sulfide mineral</a> with known occurrence associated with gold ores. Nagyágite <a href="/facts/Crystals/e2R2mk3E">crystals</a> are <a href="/facts/Opacity_(optics)/l90q0sAV">opaque</a>, <a href="/facts/Monoclinic/5PCwXvzX">monoclinic</a> and dark grey to black coloured. </p><p>It was first described in 1845 for an occurrence at the <a href="/facts/Type_locality_(geology)/ky6QjASt">type locality</a> of the Nagyág mine, <a href="/facts/Certeju_de_Sus/davs8Yja">Săcărâmb</a>, <a href="/facts/Hunedoara_County/fIMFElMP">Hunedoara County</a>, <a href="/facts/Romania/yolzk5cN">Romania</a>. </p><p>It occurs in gold–tellurium <a href="/facts/Epithermal/hqwwksSm">epithermal</a> <a href="/facts/Hydrothermal/hqwwksSm">hydrothermal</a> <a href="/facts/Vein_(geology)/TyETstxF">veins</a>. Minerals associated with nagyágite include: <a href="/facts/Altaite/CpfJvCXa">altaite</a>, <a href="/facts/Petzite/TJ8jbtTK">petzite</a>, <a href="/facts/Stutzite/c9CufrXP">stutzite</a>, <a href="/facts/Sylvanite/nYqIg2M6">sylvanite</a>, tellurantimony, <a href="/facts/Coloradoite/nojxTKUw">coloradoite</a>, <a href="/facts/Krennerite/KDJdsux9">krennerite</a>, native <a href="/facts/Arsenic/k1c4f44D">arsenic</a>, native gold, <a href="/facts/Proustite/3FYC2Ckv">proustite</a>, <a href="/facts/Rhodochrosite/JlBMD3sg">rhodochrosite</a>, <a href="/facts/Arsenopyrite/xnb3E9yK">arsenopyrite</a>, <a href="/facts/Sphalerite/5NumvnzR">sphalerite</a>, <a href="/facts/Tetrahedrite/FfLq9tGy">tetrahedrite</a>, <a href="/facts/Calaverite/QGSGUwHp">calaverite</a>, <a href="/facts/Tellurobismuthite/dNNhN26M">tellurobismuthite</a>, <a href="/facts/Galena/eSaK62FA">galena</a> and <a href="/facts/Pyrite/41CYREyr">pyrite</a>. </p> Wikimedia Commons has media related to Nagyágite.