Gaia 104 coe silver glass - Sold per 115g(1/4 pound), 50g or per rod.  Rods are approx. 4-5mm in dia. and are fully 104 coe compatible. This rich green glass strikes easily in a slightly reducing flame, while remaining clean in a neutral or oxidizing flame.  Upon striking, Gaia can produce surface coloration ranging from blues to greens and creams.  Heavy reduction can yield red streaks, while very heavy reduction can develop a metallic iridescence.