Brass usually comes out of a crucible in this 5-letter form, more familiarly used with gold
... G8 
GRAPHITE CRUCIBLE FOR MELTING GOLD SILVER 1Kg CAPACITY 2-1/2"x 5" 
... A-1 SUPER CLAY GRAPHITE FOR MELTING GOLD SILVER BRASS & MORE 
... Melting Crucible is mostly used for melting precious metals, suchas Gold, 
Silver,... [DOC] [TLE] Copper Melting: Collectibles | eBay [PAR] 7 OZ Pure Graphite Crucible Cup Propane Torch Melting Gold Silver Copper ...