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Glass coloring and color marking
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<p>Glass coloring and color marking may be obtained in several ways. </p> <ol><li>by the addition of <i>coloring ions</i>,</li> <li>by precipitation of nanometer-sized colloids (so-called <i>striking glasses</i> such as "gold ruby" or red "selenium ruby"), </li> <li>by <i>colored inclusions</i> (as in <a href="/facts/Milk_glass/ayGtH8p3">milk glass</a> and <a href="/facts/Smoked_glass/tccfz54B">smoked glass</a>)</li> <li>by <i>light <a href="/facts/Scattering/nMou7lEH">scattering</a></i> (as in <a href="/facts/Phase_separated_glass/Y56afbAD">phase separated glass</a>)</li> <li>by <i><a href="/facts/Dichroic/BvgNMAyz">dichroic</a> coatings</i> (see <a href="/facts/Dichroic_glass/Ey6Y5G7X">dichroic glass</a>), or</li> <li>by <i>colored coatings</i></li></ol>