There are two kinds of sodium lights: Low Pressure (LPS) and High Pressure (HPS). These lamps are mostly used for street lighting as well as industrial uses. The lamp works by creating an electric arc through vaporized sodium metal.
Enhanced Turquoise. Enhanced Turquoise is a natural stone that has only been treated with either chemicals and heat, or just heat to enhance the color and harden the stone. This type of treatment keeps the color from fading over time and makes more of the harder turquoise available for the market.
Combining the serene qualities of blue and the invigorating aspects of green, Turquoise inspires thoughts of soothing, tropical waters and a comforting escape from the everyday troubles of the world, while at the same time restoring our sense of wellbeing.