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Super Unobtainium is a dark blue sparkle. This color has lots of large crystals of metal on the surface. It is well suited for stringer application and blown work. It is easily worked and can take a lot of heat. To keep the color most vibrant, work in a neutral to slightly oxidizing flame. Try to avoid deep encasement as it may cause cracking. Please use Super Unobtainium with care and test before you make any thing that is expensive. Outside work seems to work just great with no problems. Try coating it with NS86 Garnet or NS88 Pomegranate to achieve a brilliant ruby sparkle. Any transparent color coated over it looks great. Super Unobtainium has lots more sparkle but does not have the Gun Metal surface of NS104 Unobtainium.
Northstar Glassworks borosilicate rods are approximately 20" in length. Sold individually. 33 COE. Images courtesy of Northstar Glassworks.