NS-069 Green Amber/Purple is the most intense and exciting of the Northstar Amber/Purple family. It reacts quickly and produces the lushest purplish blue strike. It can range in color from a pale silvery blue to an opaque to a sea green all the way to cloudy gray. It is well suited for flame striking and produces wonderful results. Because it is so intense be sure to keep a hot oxidizing flame set. Reduction will affect the strike. Try it over NS-054 Star White. Another excellent combination is NS-005 Orange over the surface of NS-069 Green Amber/Purple. There is a lot you can do with this color have fun exploring.