<p>Opal glass is colored and slightly cloudy glass. This cloudiness can be achieved in various ways with very fine crystals, or very fine glas bubbles or can be caused by glassy micro phases. Opal glass has unique lighting characteristics that makes this glass for lamps and luminaires interesting. With opal glass a bright and at the same time a warm and glare-free light can be achieved. Lights with opal glass shades thus can create a pleasant and cozy atmosphere.</p> <div></div>