NS-148 Siriusly is both flame and color stable, and will present a deep teal green in natural light and then shifts to a vibrant purple in a CFL. Air content varies with this color. For best results, use a 2700K (kelvin) CFL bulb as well as using this glass in thicker applications. This glass contains a small amount of copper, use an oxidizing flame for best results. 
 
This item is available by the pound (LB), 1/2 lb., or the Piece (PC).