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.
Stabilized turquoise is created by adding a clear resin to chalk, or soft, turquoise to help enhance the color and well as increase the hardness of the stone.Chalk, or soft, turquoise is usually a lower grade of turquoise as it is too soft to be used on its own for jewelry and must be stabilized with resin.d. Stabilized turquoise differs greatly from reconsituted turquoise. Reconstituted turquoise is the cheapest type of turquoise. It is a soft, or chalk, turquoise powder that has a great deal of resin and dye added to the powder.