How to Make a Blue Light in Minecraft Download Article Download Article A redstone lamp is used for better looking lighting inside your structures; this lamp looks more than modern than the archaic torches. However, to turn it on after crafting it, yous'll need to use a redstone electric current, as it won't glow by itself. Recipe 1 Mine for the redstone cloak-and-dagger. You'll need this to make redstone dust for the lamp. ii Find glowstone in the Under.