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Fused silica crucible for melting gold, silver, and other precious metals. Perfect for melting precious and semi-precious metals up to 2800F.
You will need to glaze your crucible with borax before you melt any metal in it. This ensures that your metal doesn't stick to the ceramic crucible.
1-3/4"dia. x 5/8" deep
Capacity is 20dwt or 31g,