CLAY GRAPHITE FOUNDRY CRUCIBLE — Engineered with a heavy-duty ceramic design that resists cracking and degradation, even under repeated high-heat use—perfect for reliable metal melting operations. MELTS GOLD, SILVER & MORE — Perfect for jewelry shops or home studios; compact size Dia. x 3.63" Length - Inside Dimensions - 2.88" Dia. x 3.25" Depth ERGONOMIC & SPILL-RESISTANT — Designed for melting gold, silver, copper, brass, aluminum, and more! Easy handling minimizes risk and maximizes confidence while pouring. TRUSTED BY PROFESSIONAL JEWELERS — Used in fine jewelry casting setups, part of the proven Rosenthal ecosystem. Withstands temperatures up to 2912°F (1600°C). MULTI-SIZE OPTIONS AVAILABLE — Choose the right crucible for your workflow, scale, and metal volume. Use with Fuel and Medium/High-Heat Induction Furnaces and Kilns for optimal performance. Master your melt with confidence. Whether you're casting a wedding ring or reclaiming scrap gold, the Ironheart Crucible brings precision, power, and peace of mind. Pro-grade ceramic body for high-temp reliability Smooth shape and thickness = even heating every time Trusted by serious jewelers and advanced hobbyists Works with torch and induction setups alike Rosenthal brings you the tools you trust—because your craft deserves nothing less.