Val Cox Frit Iris Gold #0 – A classic reduction frit. To get the metallic sheen, leave it on the surface and reduce the flame (adjust your torch for more propane/less oxygen). Sold as a 3oz refill package. Silver glass colours are 2.5 oz
This small grind can be worked on the surface to create texture, or when worked in a neutral flame and combined with silver, you can get some gorgeous faux boro effects.