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.
2. Understand that the gemstones used in almost all turquoise jewelry must be stabilized because natural turquoise is usually too soft to be worn as jewelry. The stabilization process of a turquoise stone involves submerging it into a stabilizing compound.urquoise has been considered a sacred gemstone for thousands of years. The ancient Chinese, Egyptians and Native Americans believed the beautiful turquoise gem protected the wearer from unnatural death and disaster. Wearing turquoise jewelry is said to enhance wisdom, trust, kindness and understanding.