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Germanite
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<p>Germanite is a rare <a href="/facts/Copper/I8PEE8oX">copper</a> <a href="/facts/Iron/QK1JYy8E">iron</a> <a href="/facts/Germanium/wtoALHGs">germanium</a> <a href="/facts/Sulfide_mineral/f8rxJpCW">sulfide mineral</a>, Cu26Fe4Ge4S32. It was first discovered in 1922, and named for its germanium content. It is only a minor source of this important semiconductor element, which is mainly derived from the processing of the zinc sulfide mineral <a href="/facts/Sphalerite/5NumvnzR">sphalerite</a>. Germanite contains <a href="/facts/Gallium/EucevDs9">gallium</a>, <a href="/facts/Zinc/80b1qgk3">zinc</a>, <a href="/facts/Molybdenum/RX6vp2bF">molybdenum</a>, <a href="/facts/Arsenic/k1c4f44D">arsenic</a>, and <a href="/facts/Vanadium/UvKkKTSm">vanadium</a> as impurities. </p><p>Its <a href="/facts/Type_locality_(geology)/ky6QjASt">type locality</a> is the Tsumeb Mine in <a href="/facts/Namibia/ahXuaypy">Namibia</a> where it occurs in a <a href="/facts/Hydrothermal/hqwwksSm">hydrothermal</a> polymetallic <a href="/facts/Ore_deposit/kgc9DssX">ore deposit</a> in <a href="/facts/Dolomite_(rock)/EGXDL0zm">dolomite</a> in association with <a href="/facts/Renierite/glKuQGdW">renierite</a>, <a href="/facts/Pyrite/41CYREyr">pyrite</a>, <a href="/facts/Tennantite/He1Hj9BE">tennantite</a>, <a href="/facts/Enargite/9YNyGwye">enargite</a>, <a href="/facts/Galena/eSaK62FA">galena</a>, <a href="/facts/Sphalerite/5NumvnzR">sphalerite</a>, <a href="/facts/Digenite/1qNqTELH">digenite</a>, <a href="/facts/Bornite/LlzeuLy1">bornite</a> and <a href="/facts/Chalcopyrite/MXBDffGw">chalcopyrite</a>. It has also been reported from <a href="/facts/Argentina/aFSA5bAk">Argentina</a>, <a href="/facts/Armenia/t3GQx9sU">Armenia</a>, <a href="/facts/Bulgaria/Er5pY3YS">Bulgaria</a>, <a href="/facts/Cuba/vHjTXLPW">Cuba</a>, <a href="/facts/Democratic_Republic_of_Congo/E2KmHDdv">Democratic Republic of Congo</a> (Zaire), <a href="/facts/Finland/G5Ak6T91">Finland</a>, <a href="/facts/France/CxIeIKM3">France</a>, <a href="/facts/Greece/lqHw8bTB">Greece</a>, <a href="/facts/Japan/U5mz0SRT">Japan</a>, <a href="/facts/Republic_of_Congo/kNLEWqhl">Republic of Congo</a> (Brazzaville), <a href="/facts/Russia/jfkCwyxn">Russia</a> and the <a href="/facts/United_States/P0sCdLe5">United States</a>. </p> <table><tbody><tr><th>X-Ray Powder Diffraction</th></tr><tr><td>d spacing</td><td>3.05</td><td>2.65</td><td>1.87</td><td>1.60</td><td>1.32</td><td>1.21</td><td>1.08</td><td>1.02</td></tr><tr><td>relative intensity</td><td>10</td><td>1</td><td>7</td><td>4</td><td>1</td><td>2</td><td>2</td><td>1</td></tr></tbody></table> Wikimedia Commons has media related to Germanite.