You will only be billed for the final weight sent that is equal to or less than the amount ordered.
NS-145 Luna is a clear glass that fluoresces blue under a U.V. light source. Recommend to use an ultraviolet L.E.D. flashlight with a 365Nm-395Nm range for the brightest blue glow. This is a stable glass and can be used in any type of flame. No uranium is used in this glass.